In this task, you need to count the number of words in a sentence that contain the given letter
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Question: Sentence: 'a plate with a grilled sanwich next to a bowl of tomato soup'. How many words contain the letter 'a' in the sentence.

Answer: 6

Question: Sentence: 'a couple sitting on seats on a train'. How many words contain the letter 'z' in the sentence.

Answer: 0

Question: Sentence: 'a display case inside of a restaurant filled with pies and sandwiches'. How many words contain the letter 'h' in the sentence.

Answer:
2