instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a man riding waves on his surfboard in the ocean'. How many words contain the letter 'v' in the sentence.
answer:
1


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 pole with many signs on a street'. How many words contain the letter 'a' in the sentence.
answer:

3