instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a giraffe grazing in pen next to a tree trunk'. How many words contain the letter 'v' in the sentence.
answer:
0


question:
Sentence: 'a crowd of people flying kites near the capitol building'. How many words contain the letter 'a' in the sentence.
answer:
3


question:
Sentence: 'a cat sleeping in the sun on top of a scratching post'. How many words contain the letter 'f' in the sentence.
answer:

1