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

Ex Input:
Sentence: 'two cakes on a table with a piece missing out of one'. How many words contain the letter 'h' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'sitting room with couch and entertainment system in cabinets'. How many words contain the letter 'e' in the sentence.

Ex Output:
3


Ex Input:
Sentence: 'a couple of zebras that are standing in the grass'. How many words contain the letter 'g' in the sentence.

Ex Output:

2