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1. |
What is a top-down parser? |
A. | Begins by hypothesizing a sentence (the symbol S) and successively predicting lower level constituents until individual preterminal symbols are written |
B. | Begins by hypothesizing a sentence (the symbol S) and successively predicting upper level constituents until individual preterminal symbols are written |
C. | Begins by hypothesizing lower level constituents and successively predicting a sentence (the symbol S) |
D. | Begins by hypothesizing upper level constituents and successively predicting a sentence (the symbol S) |
Answer» B. Begins by hypothesizing a sentence (the symbol S) and successively predicting upper level constituents until individual preterminal symbols are written | |