AnalyzerSentence analysis2SpansSentence手が空いた時に1000 character limitAnalyzeSentence手てが空あいた時ときにSpan Details手てが空あいたbe free; be available-> 手が空くexpression, verb時ときにby the way; incidentally; sometimes; occasionally; on occasion; precisely at that time; just then; right thenconjunction, adverb