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

Ex Input:
Sentence: 'some stop lights that are at an intersection'. How many words contain the letter 'c' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a large cooked pizza with pepperoni on a table'. How many words contain the letter 't' in the sentence.

Ex Output:
2


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