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

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: 'the beach has six open umbrellas on poles'. How many words contain the letter 'g' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a beautiful young lady holding a tennis racquet on a tennis court'. How many words contain the letter 'l' in the sentence.

Ex Output:

3