Input question: Where is the pituitary gland situated?

Output answer: brain

Input question: Which country does not currently have a sultan as its political and/or religious head of state?

Output answer: morocco

Input question: What basic knitting stitch, the reverse of the knit, is formed by pulling a loop of the working yarn back through an existing stitch and then slipping that stitch off the needle?

Output answer: purl

Input question: Nov 24, 1859 saw the first edition of On The Origin of Species, under the authorship of who?

Output answer:
charles darwin