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

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

[EX Q]: Sentence: 'a dog on a deck ripping in to a plastic frisbee'. How many words contain the letter 'l' in the sentence.
[EX A]: 1

[EX Q]: Sentence: 'a parking meter in snow near where a cross country skier is going by'. How many words contain the letter 'z' in the sentence.
[EX A]:
0