instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a woman is posing next to a stop sign'. How many words contain the letter 'u' in the sentence.
answer:
0


question:
Sentence: 'a blue and white fire hydrant and two cars parked across the street'. How many words contain the letter 'y' in the sentence.
answer:
1


question:
Sentence: 'a city bus prepares to stop at a bus stop at night'. How many words contain the letter 'w' in the sentence.
answer:

0