| Merge: | set-Merge |
| Stream: | ['buy', 'v*', ['n_sg_3rd', 'Mary'], 'Tpast', 'C_Q', 'ask', 'v', ['n_sg_3rd', 'Bill'], 'Tpast', 'C'] |
| Unlabeled: | |
| Box: |
| Merge: | set-Merge |
| Stream: | ['v*', ['n_sg_3rd', 'Mary'], 'Tpast', 'C_Q', 'ask', 'v', ['n_sg_3rd', 'Bill'], 'Tpast', 'C'] |
| Unlabeled: |
| Merge: | set-Merge |
| Stream: | [['n_sg_3rd', 'Mary'], 'Tpast', 'C_Q', 'ask', 'v', ['n_sg_3rd', 'Bill'], 'Tpast', 'C'] |
| Operations: | Checked Features: 'uPerson' 'uNumber' 'uGender' |
| Unlabeled: | |
| Label from Head: | |
| Label from Head: | |
| Label from Head: |
| Merge: | set-Merge |
| Stream: | [] |
| Unlabeled: |
| Merge: | set-Merge |
| Stream: | [['Mary', 'n_sg_3rd'], 'Tpast', 'C_Q', 'ask', 'v', ['n_sg_3rd', 'Bill'], 'Tpast', 'C'] |
| Unlabeled: |
| Merge: | set-Merge |
| Stream: | ['C_Q', 'ask', 'v', ['n_sg_3rd', 'Bill'], 'Tpast', 'C'] |
| Operations: | Checked Features: 'uPerson' 'uNumber' 'uGender' |
| Unlabeled: |
| Merge: | set-Merge |
| Stream: | ['ask', 'v', ['n_sg_3rd', 'Bill'], 'Tpast', 'C'] |
| Unlabeled: | |
| Label from Head: | |
| Label from Head: | |
| FormCopy: | |
| Access Box: | what+C_Q |
| Crash (Unlabeled): |
| Merge: | set-Merge |
| Stream: | ['ask', 'v', ['n_sg_3rd', 'Bill'], 'Tpast', 'C'] |
| Unlabeled: |
| Merge: | set-Merge |
| Stream: | ['ask', 'v', ['n_sg_3rd', 'Bill'], 'Tpast', 'C'] |
| Unlabeled: | |
| Label from Head: | |
| Label from Head: | |
| Label via shared features: | |
| Label from Head: | |
| Label from Head: | |
| FormCopy: | |
| Label via movement: | |
| FormCopy: | |
| Access Box: | what+C_Q |
| Merge: | set-Merge |
| Stream: | ['v', ['n_sg_3rd', 'Bill'], 'Tpast', 'C'] |
| Unlabeled: |
| Merge: | set-Merge |
| Stream: | [['n_sg_3rd', 'Bill'], 'Tpast', 'C'] |
| Unlabeled: |
| Merge: | set-Merge |
| Stream: | [] |
| Unlabeled: |
| Merge: | set-Merge |
| Stream: | [['Bill', 'n_sg_3rd'], 'Tpast', 'C'] |
| Unlabeled: |
| Merge: | set-Merge |
| Stream: | ['C'] |
| Operations: | Checked Features: 'uPerson' 'uNumber' 'uGender' |
| Unlabeled: |
| Merge: | set-Merge |
| Stream: | [] |
| Unlabeled: | |
| Label from Head: | |
| Label from Head: | |
| Label from Head: | |
| Label from Head: | |
| Crash (Unlabeled): |
| Merge: | set-Merge |
| Stream: | ['C'] |
| Unlabeled: |
| Merge: | set-Merge |
| Stream: | [] |
| Unlabeled: | |
| Label from Head: | |
| Label from Head: | |
| Label via shared features: | |
| Label from Head: | |
| Label from Head: | |
| FormCopy: | |
| Label from Head: | |
| Label via movement: | |
| Label from Head: | |
| Transfer: | |
| Frontier: |
| Spell Out: | C n Bill T(Past,3rd,sg) v ask what+CQ n Mary T(Past,3rd,sg) v* buy |
| PF Rules: | Bill T(Past,3rd,sg)+ask Bill asked what Mary T(Past,3rd,sg)+buy Bill asked what Mary bought |
| Merge: | set-Merge |
| Stream: | ['v*', ['n_sg_3rd', 'Mary'], 'Tpast', 'C_Q', 'ask', 'v', ['n_sg_3rd', 'Bill'], 'Tpast', 'C'] |
| Unlabeled: |
| Merge: | set-Merge |
| Stream: | [['n_sg_3rd', 'Mary'], 'Tpast', 'C_Q', 'ask', 'v', ['n_sg_3rd', 'Bill'], 'Tpast', 'C'] |
| Operations: | Checked Features: 'uPerson' 'uNumber' 'uGender' |
| Unlabeled: | |
| Label from Head: | |
| Label from Head: | |
| Label from Head: | |
| Label from Head: | |
| FormCopy: | |
| Crash (Unlabeled): |
| # of Merges: | 19 |
| # of Backtracks: | 3 |
| # of Crashes: | 15 |
| # of Successful Derivations: | 1 |