instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a teddy bear that is sitting up on the ground'. How many words contain the letter 'm' in the sentence.
answer:
0


question:
Sentence: 'two elephants in the water in front of a waterfall'. How many words contain the letter 'x' in the sentence.
answer:
0


question:
Sentence: 'a baseball player holding a glove and has a leg in the air'. How many words contain the letter 'n' in the sentence.
answer:

3