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 very cute white dog standing by a table with food'. How many words contain the letter 'o' in the sentence.

Answer: 2


Question: Sentence: 'a mirror above a bathroom sink next to a window'. How many words contain the letter 'v' in the sentence.

Answer: 1


Question: Sentence: 'a cat sitting up on a porch with his head pressed up against a closed door'. How many words contain the letter 'x' in the sentence.

Answer:
0