Stage forms this act uses in the library, and how often.
A detective explains why one suspect in a murder case cannot be the killer.
a murder? There's no way. However…
Textbook引っ込み思案の人が殺害を実行に移せるはずがありません。しかし……'移せるわけがない' ('no way they could carry it out') is the plain, casual version of '移せるはずがありません'.
One performer earnestly presents a theory about why God gave humans five fingers.
Because if you just needed to hold it any old way, two fingers would do.
Textbookなぜなら、適当に持つだけなら指は2本で十分だからです。Textbook 「なぜなら〜からです」 shrinks to line-initial 「だって」, and the closing 「から」 is dropped entirely in speech.
During a breakup talk, one person complains that the other keeps repeating everything they say back to them.
Culture note In one-person sketches, Japanese solo comedians (ピン芸人) often repeat an imaginary partner's lines aloud so the audience knows what was said.
Huh?
Textbookえっ、どういうことですか。The whole polite question shrinks to a short, rising 'え?' that shows surprise and confusion.