instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'black and white photograph of a man using a cell phone on the street'. How many words contain the letter 'r' in the sentence.
answer:
2


question:
Sentence: 'a man paddle boarding in the middle of the ocean'. How many words contain the letter 'i' in the sentence.
answer:
3


question:
Sentence: 'several students sitting in desks working on laptops'. How many words contain the letter 'w' in the sentence.
answer:

1