instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a picture of a plane in the air'. How many words contain the letter 'l' in the sentence.
answer:
1


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: 'two donuts made of fabric are sitting on a table'. How many words contain the letter 'n' in the sentence.
answer:

3