In this task, you need to count the number of words in a sentence that contain the given letter

[EX Q]: Sentence: 'a bus station full of people walking on the side walk'. How many words contain the letter 'q' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a display of bananas on rack with various aisle in background'. How many words contain the letter 'x' in the sentence.
[EX A]: 0

[EX Q]: Sentence: 'a little girl jumping up and down on her bed'. How many words contain the letter 'c' in the sentence.
[EX A]:
0