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

Ex Input:
Sentence: 'guys in a living room playing a wii bowling game'. How many words contain the letter 'c' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a person in the air with a skateboard upside down underneath'. How many words contain the letter 'i' in the sentence.

Ex Output:
4


Ex Input:
Sentence: 'a group of people posing outside with dogs'. How many words contain the letter 'l' in the sentence.

Ex Output:

1