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) www.aktutor.in
Answer:A
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) www.aktutor.in
Explanation: A top-down parser begins by hypothesizing a sentence (the symbol S) and successively predicting lower level constituents until individual preterminal symbols are written.