Q. What is a top-down parser? (Solved)
1. begins by hypothesizing a sentence (the symbol s) and successively predicting lower level constituents until individual preterminal symbols are written
2. begins by hypothesizing a sentence (the symbol s) and successively predicting upper level constituents until individual preterminal symbols are written
3. begins by hypothesizing lower level constituents and successively predicting a sentence (the symbol s)
4. begins by hypothesizing upper level constituents and successively predicting a sentence (the symbol s)
- a. begins by hypothesizing a sentence (the symbol s) and successively predicting lower level constituents until individual preterminal symbols are written