instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a black and white photo of a very crowded tropical beach'. How many words contain the letter 'p' in the sentence.
answer:
2


question:
Sentence: 'a cat is walking on a wooden deck in the snow'. How many words contain the letter 'q' in the sentence.
answer:
0


question:
Sentence: 'a couple of trash containers sitting next to a  fire hydrant'. How many words contain the letter 'b' in the sentence.
answer:

0