AnalyzerSentence analysis5SpansSentence理由はわからないけど1000 character limitAnalyzeSentence理り由ゆうはわからないけどSpan Details理り由ゆうreason; grounds; motivenounはtopic markergrammarわからunderstand; comprehend; grasp; become clear; be known; turn out; I know!; right?!-> 分かるgodan verb, interjectionないnegative auxiliarygrammarけどbut; however; althoughconjunction, particle