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

Ex Input:
Sentence: 'several ties hang from a bar in a closet'. How many words contain the letter 'e' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a sign that shows you are entering into joshua tree national park'. How many words contain the letter 't' in the sentence.

Ex Output:
5


Ex Input:
Sentence: 'a hello kitty bag sitting on a bed next to other items'. How many words contain the letter 'h' in the sentence.

Ex Output:

2