instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'two children practicing for a ski race without poles'. How many words contain the letter 'e' in the sentence.
answer:
3


question:
Sentence: 'three children standing behind a little girl with a bat in her hands'. How many words contain the letter 'c' in the sentence.
answer:
1


question:
Sentence: 'trains are in the terminal ready for passengers to board'. How many words contain the letter 'i' in the sentence.
answer:

3