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

Ex Input:
Sentence: 'a keyboard on a table with a toothbrush a book some sunglasses and coffee'. How many words contain the letter 'e' in the sentence.

Ex Output:
5


Ex Input:
Sentence: 'a couple are setting the different pizzas on a table'. How many words contain the letter 'c' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'the red jet is flying high in the air'. How many words contain the letter 'b' in the sentence.

Ex Output:

0