instruction:
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.
question:
Sentence: The fiction of Japanese imperial power had become infinitely extendable.
Question: Did the illusion of imperial power extend into the modern era?
answer:
Yes.

question:
Sentence: Johnson is a justice on California's Second District Court of Appeal.
Question: When did Johnson arrive to court?
answer:
Yes.

question:
Sentence: The most powerful families thus carved out for themselves whole regions that were to become the fiefdoms of Japanese feudalism.
Question: What happened after these regions were carved out?
answer:
Yes.