In this task, you need to count the number of words in a sentence that contain the given letter

[Q]: Sentence: 'a black sign that is standing in the grass'. How many words contain the letter 'f' in the sentence.
[A]: 0


[Q]: Sentence: 'a group of giraffes walk across an open area'. How many words contain the letter 'm' in the sentence.
[A]: 0


[Q]: Sentence: 'an open brown refrigerator sitting on an asphalt street'. How many words contain the letter 'v' in the sentence.
[A]:
0