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 little girl sitting on the floor reading a book'. How many words contain the letter 'n' in the sentence.

Answer: 3


Question: Sentence: 'the bathroom has a shower toilet toilet paper and a sink with leaves in it'. How many words contain the letter 'v' in the sentence.

Answer: 1


Question: Sentence: 'a green car next to street with tree and person walking'. How many words contain the letter 'g' in the sentence.

Answer:
2