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

Ex Input:
Sentence: 'many different species of sheep in display at a museum'. How many words contain the letter 'p' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a woman working her small shared office cubicle'. How many words contain the letter 'g' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'the woman is hovered over the toilet in the bathroom'. How many words contain the letter 'g' in the sentence.

Ex Output:

0