In this task, you need to count the number of words in a sentence that contain the given letter
--------
Question: Sentence: 'a person skiing down part of a marked race course'. How many words contain the letter 'z' in the sentence.

Answer: 0


Question: Sentence: 'a stop sign casting a shadow of a sign that says war'. How many words contain the letter 'y' in the sentence.

Answer: 1


Question: Sentence: 'a pizza with olives near a can of soda'. How many words contain the letter 'v' in the sentence.

Answer:
1