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 group of people skiing down a mountain slope'. How many words contain the letter 'e' in the sentence.
[EX A]: 2

[EX Q]: Sentence: 'a bench in front of a pier and sailboat'. How many words contain the letter 'k' in the sentence.
[EX A]:
0