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

Ex Input:
Sentence: 'a plastic container filled with pastry balls sitting on a counter'. How many words contain the letter 'q' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a man driving with his dog in the back seat'. How many words contain the letter 't' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'four birds standing on a large rusty pipe with a boat in the distance'. How many words contain the letter 'x' in the sentence.

Ex Output:

0