instruction:
In this task, you need to count the number of words in a sentence that contain the given letter
question:
Sentence: 'a bus station full of people walking on the side walk'. How many words contain the letter 'q' in the sentence.
answer:
0


question:
Sentence: 'a white sand beach with chairs umbrellas and people'. How many words contain the letter 't' in the sentence.
answer:
2


question:
Sentence: 'a happy man talks on the phone while he is lying down'. How many words contain the letter 'a' in the sentence.
answer:

4