To further demonstrate the advantage of our idea of minimal features with bidirectional sentence representations, we extend our work from dependency parsing to constituency parsing.
the latter is significantly more challenging than the former under the shift-reduce paradigm because: 1 shift (I) 6 pro (NP) 2 pro (NP) 7 adj 3 shift (like) 8 pro (S) 4 pro (VP) 9 adj 5 shift (sports) Figure 5: Shift-Promote-Adjoin parsing example.