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 teddy bear that is sitting up on the ground'. How many words contain the letter 'm' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a lady sitting in her bed with her laptop as she hugs a cat'. How many words contain the letter 'j' in the sentence.

Ex Output:

0