Sentence 1: they they'll serve they'll serve a quarter of it so if you want them to stay in prison for fifteen years don't sentence them to fifteen years sentence them to a hundred you know because then they'll serve fifteen or twenty so which is really i don't know

Sentence 2: If you want someone in jail for 15 years, sentence them for 15 years.

If the first sentence is true, then is the second sentence true?
no