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

Ex Input:
Sentence: 'some brown and white goats and a man on some grass'. How many words contain the letter 'o' in the sentence.

Ex Output:
5


Ex Input:
Sentence: 'a tabby cat rests on a suitcase set on the floor in a room'. How many words contain the letter 'q' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a group of people dressed professionally outside'. How many words contain the letter 'j' in the sentence.

Ex Output:

0