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

[Q]: Sentence: 'a cat is laying in a piece of luggage'. How many words contain the letter 'p' in the sentence.
[A]: 1


[Q]: Sentence: 'a college student throws a frisbee in a field'. How many words contain the letter 't' in the sentence.
[A]: 2


[Q]: Sentence: 'some cows lying down on the ground in their fenced off area'. How many words contain the letter 'k' in the sentence.
[A]:
0