Anagrams
Mathematical: eleven plus two is the same as twelve plus one, no more, no less.
Philosophical: why such desperation? when just a rope ends it.
Hygienic: Oh, dear! This dormitory is just one big dirty room.
President of the USA Clinton is quite resourceful. To copulate, he finds interns.
Tsk, tsk! you shouldn't say your mother-in-law is a woman Hitler?