instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a group of men sitting by tables working on laptops'. How many words contain the letter 'l' in the sentence.
answer:
2


question:
Sentence: 'a stop light that is out on a pole'. How many words contain the letter 'z' in the sentence.
answer:
0


question:
Sentence: 'there is a cat standing in a toilet'. How many words contain the letter 'b' in the sentence.
answer:

0