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

Ex Input:
Sentence: 'a living room filled with furniture and a large wooden shelf'. How many words contain the letter 'e' in the sentence.

Ex Output:
5


Ex Input:
Sentence: 'a ram standing still in an empty pasture'. How many words contain the letter 'x' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a huge group of scattered out sheep are in the field'. How many words contain the letter 'e' in the sentence.

Ex Output:

6