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

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 small child next to a bunch of bananas and an orange'. How many words contain the letter 'p' in the sentence.

Ex Output:
0

Ex Input:
Sentence: 'three men are shown in this old black and white photo'. How many words contain the letter 'c' in the sentence.

Ex Output:
1