instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'this is a yellow train riding the rails'. How many words contain the letter 'n' in the sentence.
answer:
2


question:
Sentence: 'a young man dressed as a nun skateboards down the street'. How many words contain the letter 'e' in the sentence.
answer:
4


question:
Sentence: 'a young skateboarder with a red jacket in action'. How many words contain the letter 'p' in the sentence.
answer:

0