instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a teenager and child are fighting for a frisbee'. How many words contain the letter 'm' in the sentence.
answer:
0


question:
Sentence: 'a couple of zebras are standing in a pin'. How many words contain the letter 'a' in the sentence.
answer:
5


question:
Sentence: 'a horse looking out a window in a log building'. How many words contain the letter 'k' in the sentence.
answer:

1