Anchoring and Agreement in Syntactic Annotations (AAS)
Annotations, reviews and quality rankings for POS tags and syntactic trees.

Treebank of Learner English (TLE)
English as a Second Language (ESL) sentences annotated with POS tags and syntactic trees.

Language and Vision Ambiguities (LAVA)
Ambiguous sentences coupled with videos that depict the different interpretations of each sentence.