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

Ex Input:
Sentence: 'a man standing in the ocean holding a surfboard'. How many words contain the letter 'c' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'guys in a living room playing a wii bowling game'. How many words contain the letter 'c' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'a pair of people stand with a blender and a toy'. How many words contain the letter 'd' in the sentence.

Ex Output:

3