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

Ex Input:
Sentence: 'a fire hydrant on a neighborhood street with trees and shrubs around it'. How many words contain the letter 'k' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a white cat sitting on a couch in a den'. How many words contain the letter 'l' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'this is an image of people eating at a restaurant'. How many words contain the letter 'd' in the sentence.

Ex Output:

0