instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a bus station full of people walking on the side walk'. How many words contain the letter 'q' in the sentence.
answer:
0


question:
Sentence: 'he wants everyone to know that he has serious intentions for the tennis game'. How many words contain the letter 'h' in the sentence.
answer:
5


question:
Sentence: 'a young man preparing to throw a frisbee'. How many words contain the letter 's' in the sentence.
answer:

1