TASK DEFINITION: A question that is free of any grammatical or logcal errors, should be labeled 'yes', otherwise it should be indicated as 'no'. A question is grammatically correct if all its entities i.e. nouns, verbs, adjectives, prepositions, pronouns, adverbs are at appropriate position. A question is logically correct if the semantic makes sense.
PROBLEM: Sentence: The Portuguese Crown, delighted with its first important discovery, immediately embarked on a program of colonization. 
Question: Do the original colonies still exist?

SOLUTION: Yes.

PROBLEM: Sentence: Our investigation has uncovered no credible evidence that any person in the United States gave the hijackers substantial financial assistance. 
Question: Is the investigation still going to be going on 50 years from now?

SOLUTION: Yes.

PROBLEM: Sentence: California was first to require smog checks for clean air, pass anti-tobacco initiatives and bike helmets laws. 
Question: Are the laws still followed in California?

SOLUTION:
Yes.

