instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a large pizza smothered in cheese and sauce'. How many words contain the letter 'a' in the sentence.
answer:
5


question:
Sentence: 'two people riding on the back of a large elephant'. How many words contain the letter 't' in the sentence.
answer:
3


question:
Sentence: 'a cat is sitting in front of a window'. How many words contain the letter 't' in the sentence.
answer:

3