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

Ex Input:
Sentence: 'a kitchen with hard wood floors and a stove top oven'. How many words contain the letter 'g' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a lighthouse with birds flying by it at a bay'. How many words contain the letter 'q' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a toddler sits on a park bench by himself'. How many words contain the letter 'h' in the sentence.

Ex Output:

2