instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a woman with long red hair packing herself into a suitcase'. How many words contain the letter 'i' in the sentence.
answer:
5


question:
Sentence: 'a little baby boy wearing an vest and tie'. How many words contain the letter 'e' in the sentence.
answer:
4


question:
Sentence: 'a cat leaned over looking at a glass on the floor'. How many words contain the letter 'r' in the sentence.
answer:

2