Generate a sentence that answers this question: "An example of a mixture is".

Answer: An example of a mixture is clay mixed together

Generate a sentence that answers this question: "If an instrument is played, this may occur".

Answer: An example of playing a musical instrument is hitting the keys of a piano

Generate a sentence that answers this question: "Pelicans have an affinity for".

Answer:
sharp beaks are a kind of adaptation for catching prey