instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a lit street light next to a bar'. How many words contain the letter 'w' in the sentence.
answer:
0

question:
Sentence: 'a person in uniform is on a motorcycle near other uniformed people'. How many words contain the letter 'r' in the sentence.
answer:
6

question:
Sentence: 'a school bus parked with its stop sign closed'. How many words contain the letter 'a' in the sentence.
answer:
2