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Sentence analysis
4Spans
Sentence
Span Details
何か
something; some; any; somehow; for some reason; what (do you mean)?; so what?pronoun, adverb, interjection
後ろめたい
guilty; uneasy; having a guilty consciencei-adjective
ことがある
have done (something); something has occurred; sometimes; there are times when-> 事があるexpression, verb
の?
possession, attribution, nominalizer, or nominal linkergrammar