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

Ex Input:
Sentence: 'a person standing in the kitchen with an object in hand'. How many words contain the letter 't' in the sentence.

Ex Output:
5


Ex Input:
Sentence: 'two animals are walking along in a field'. How many words contain the letter 'y' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a herd of sheep moving with a group of people in the background'. How many words contain the letter 'e' in the sentence.

Ex Output:

4