there being no use in arguing (about it)
questions and answers; dialogue
arguing back and forth; bandying words; verbal tug-of-war
Zen dialogue; Zen questions and answers
anticipated questions and answers (e.g. for a press conference, interview or oral exam); collection of hypothetical questions and answers
anticipated questions and answers (e.g. for a press conference, interview or oral exam)
there being no use in arguing (about it); being stone-deaf to someone's appeals
irrelevant and incoherent dialogue; meaningless parlor debate; dialogue at cross purposes