instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'some kids are all taking a photograph together'. How many words contain the letter 'e' in the sentence.
answer:
3


question:
Sentence: 'three birds perched on top of a wire fence'. How many words contain the letter 'b' in the sentence.
answer:
1


question:
Sentence: 'a car is behind a truck on a road'. How many words contain the letter 'f' in the sentence.
answer:

0