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

Ex Input:
Sentence: 'a man skiing through a snowcovered street area'. How many words contain the letter 'p' in the sentence.

Ex Output:
0

Ex Input:
Sentence: 'a lit street light next to a bar'. How many words contain the letter 'w' in the sentence.

Ex Output:
0

Ex Input:
Sentence: 'people are standing underneath a flying square shaped kite'. How many words contain the letter 'h' in the sentence.

Ex Output:
2