instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a man holding a racquet hits a tennis ball'. How many words contain the letter 'v' in the sentence.
answer:
0


question:
Sentence: 'a girl at a lake is looking at sand inside of a frisbee'. How many words contain the letter 'u' in the sentence.
answer:
0


question:
Sentence: 'a person standing on a skateboard doing a kick flip'. How many words contain the letter 'i' in the sentence.
answer:

4