Pañhabyākaraṇasutta
“Cattārimāni, bhikkhave, pañhabyākaraṇāni. Katamāni cattāri? Atthi, bhikkhave, pañho ekaṁsabyākaraṇīyo; atthi, bhikkhave, pañho vibhajjabyākaraṇīyo; atthi, bhikkhave, pañho paṭipucchābyākaraṇīyo; atthi, bhikkhave, pañho ṭhapanīyo. Imāni kho, bhikkhave, cattāri pañhabyākaraṇānīti.
Ways of Answering Questions
“Mendicants, there are these four ways of answering questions. What four? There is a question that should be answered categorically. There is a question that should be answered analytically. There is a question that should be answered with a counter-question. There is a question that should be set aside. These are the four ways of answering questions.