In this task, you are given a sentence and a question, you would be asked to create the answer which is contained in the sentence provided.

Sentence: Acting like drawstrings to close off the alimentary canal, the sphincter regulates the passage of material between compartments. Question: Acting like drawstrings to close off the alimentary canal, what regulates the passage of material between compartments?
sphincter

Sentence: Most turtle bodies are covered by a special bony or cartilaginous shell developed from their ribs. Question: Most turtle bodies are covered by a special bony or cartilaginous shell developed from their what?
ribs

Sentence: The term immunodeficiency means a failure, insufficiency, or delay in the response of the immune system, which may be acquired or inherited. Question: What term means a failure, insufficiency, or delay in the response of the immune system, which may be acquired or inherited?

immunodeficiency