How do you convert Discourse-Repsentation-Structure (DRS) to text Sentence? Here are some DRS samples:
drs([A, B], [object(A, book, countable, na, eq, 1)-1/4, predicate(B, own, named('Peter'), A)-1/2]).
drs([], [question(drs([A, B], [query(A, what)-1/1, predicate(B, own, named('Peter'), A)-1/4]))]).
drs([], [question(drs([A, B], [object(A, book, countable, na, eq, 1)-1/5, predicate(B, own, named('Peter'), A)-1/3]))]).