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 close up of a street sign that is not in english'. How many words contain the letter 'p' in the sentence.

Answer: 1


Question: Sentence: 'a shot of a baby with no diaper is laying with something in its mouth'. How many words contain the letter 'n' in the sentence.

Answer:
4