instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'three birds perched on top of a wire fence'. How many words contain the letter 'b' in the sentence.
answer:
1


question:
Sentence: 'looking out a window at a tall building with a clock on the face'. How many words contain the letter 'l' in the sentence.
answer:
4


question:
Sentence: 'a man in a wet suit holding a surfboard while heading for the ocean waves'. How many words contain the letter 'y' in the sentence.
answer:

0