instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a green blue and yellow boat sitting in a harbor'. How many words contain the letter 'o' in the sentence.
answer:
3


question:
Sentence: 'a little boy that is sitting near two birds'. How many words contain the letter 'm' in the sentence.
answer:
0


question:
Sentence: 'the tower of a tail building with a flag on the roof and a clock on the upper floor'. How many words contain the letter 'l' in the sentence.
answer:

5