Input question: Seraphim and cherubim are types of what?

Output answer: angels

Input question: In the TV show 'South Park', what is the name of the boys' handicapped classmate whose vocabulary is mostly limited to the enthusiastic shouting of his own name?

Output answer: timmy

Input question: Who is the official usher of the House of Lords

Output answer: black rod

Input question: What is the name of the rose coloured gaseous envelope outside the incandescent surface of the sun?

Output answer:
chromosphere