instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a man buttering toast in his kitchen on the counter'. How many words contain the letter 'c' in the sentence.
answer:
2


question:
Sentence: 'a crowd of people walking around a city street'. How many words contain the letter 'p' in the sentence.
answer:
1


question:
Sentence: 'some happy people are posing while drinking wine'. How many words contain the letter 'r' in the sentence.
answer:

2