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 view from a plane window near a large snowy peak'. How many words contain the letter 'u' in the sentence.

Ex Output:
0

Ex Input:
Sentence: 'a man and two women holding a basket with a hotdog'. How many words contain the letter 'c' in the sentence.

Ex Output:
0