instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'man running to catch a frisbee in a springtime park'. How many words contain the letter 'j' in the sentence.
answer:
0


question:
Sentence: 'a man walking across a beach carrying a surfboard'. How many words contain the letter 'i' in the sentence.
answer:
2


question:
Sentence: 'a woman orders food from an outdoor vendor'. How many words contain the letter 'u' in the sentence.
answer:

1