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

Ex Input:
Sentence: 'snow boarder in midflight inverted with a steep snowy slope in the background'. How many words contain the letter 'j' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a bottle of beer and a red plate of food'. How many words contain the letter 'u' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a couple of people on skis are on a trail'. How many words contain the letter 'j' in the sentence.

Ex Output:

0