instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a young girl is brushing her teeth in a bathroom'. How many words contain the letter 'f' in the sentence.
answer:
0

question:
Sentence: 'a man in a restaurant makes the v sign with both hands'. How many words contain the letter 'n' in the sentence.
answer:
5

question:
Sentence: 'a man riding a dirt bike while flying through the air'. How many words contain the letter 'x' in the sentence.
answer:
0