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

Ex Input:
Sentence: 'a person that is playing a tennis game'. How many words contain the letter 'j' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a white longheaired dog eating a birthday cake'. How many words contain the letter 'z' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a motorcycle sitting next to white a trailer'. How many words contain the letter 'v' in the sentence.

Ex Output:

0