Yes and No Questions (or sentence-questions) are asked by the verb (whether a given thing is or
a. A sentence-question may follow a word-question; as τί δοκοῦσιν ὑ_μῖν, ὦ ἄνδρες; ἆρά γε ὁμοίως ὑ_μῖν περὶ τῶν ἀδικούντων γιγνώσκειν κτλ.; what do you think of your ancestors, gentlemen of the jury? Do they seem to entertain the same sentiments with yourselves about wrong-doers? Lyc. 119.
Herbert Weir Smyth [n.d.], A Greek Grammar for Colleges; Machine readable text [info] [word count] [Smyth].