instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a persons desk with a computer and many books in a case behind it'. How many words contain the letter 'd' in the sentence.
answer:
3


question:
Sentence: 'some zebras dirt plants and bushes'. How many words contain the letter 'r' in the sentence.
answer:
2


question:
Sentence: 'a man standing on a field while holding a red frisbee'. How many words contain the letter 'v' in the sentence.
answer:

0