Sacāyaṁ, bhikkhave, puggalo pañhaṁ puṭṭho samāno ekaṁsabyākaraṇīyaṁ pañhaṁ na ekaṁsena byākaroti, vibhajjabyākaraṇīyaṁ pañhaṁ na vibhajja byākaroti, paṭipucchābyākaraṇīyaṁ pañhaṁ na paṭipucchā byākaroti, ṭhapanīyaṁ pañhaṁ na ṭhapeti, evaṁ santāyaṁ, bhikkhave, puggalo akaccho hoti.  When a person is asked a question, if it needs to be answered categorically and they don’t answer it categorically; or if it needs analysis and they answer without analyzing it; or if it needs a counter-question and they answer without a counter-question; or if it should be set aside and they don’t set it aside, then that person is not competent to hold a discussion. 
ṭhapanīyaṁ pañhaṁ na ṭhapeti → thapanīyaṁ pañhaṁ na thapeti (mr) 
Sace panāyaṁ, bhikkhave, puggalo pañhaṁ puṭṭho samāno ekaṁsabyākaraṇīyaṁ pañhaṁ ekaṁsena byākaroti, vibhajjabyākaraṇīyaṁ pañhaṁ vibhajja byākaroti, paṭipucchābyākaraṇīyaṁ pañhaṁ paṭipucchā byākaroti, ṭhapanīyaṁ pañhaṁ ṭhapeti, evaṁ santāyaṁ, bhikkhave, puggalo kaccho hoti. 
When a person is asked a question, if it needs to be answered categorically and they answer it categorically; or if it needs analysis and they answer after analyzing it; or if it needs a counter-question and they answer with a counter-question; or if it should be set aside and they set it aside, then that person is competent to hold a discussion. 

atthi, bhikkhave, pañho ṭhapanīyo.  There is a question that should be set aside. 

ekaṁsabyākaraṇīyo pañho, paṭipucchābyākaraṇīyo pañho, vibhajjabyākaraṇīyo pañho, ṭhapanīyo pañho.  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.