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

Ex Input:
Sentence: 'a man holding an owl in a lush green field'. How many words contain the letter 'y' in the sentence.

Ex Output:
0

Ex Input:
Sentence: 'a person standing in the kitchen with an object in hand'. How many words contain the letter 't' in the sentence.

Ex Output:
5

Ex Input:
Sentence: 'a young baseball player is holding the ball and mat with another player in the background'. How many words contain the letter 'e' in the sentence.

Ex Output:
6