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 mother and son holding wii controls in front of a christmas fireplace'. How many words contain the letter 'x' in the sentence.

Answer: 0


Question: Sentence: 'a pair of people swimming out to sea on some surfboards'. How many words contain the letter 'j' in the sentence.

Answer: 0


Question: Sentence: 'a bowl with apples and a bowl with bananas'. How many words contain the letter 'n' in the sentence.

Answer:
2