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

Ex Input:
Sentence: 'a basket that is full of fruits and vegetables'. How many words contain the letter 'v' in the sentence.

Ex Output:
1


Ex Input:
Sentence: 'a man skiing through a snowcovered street area'. How many words contain the letter 'p' in the sentence.

Ex Output:
0


Ex Input:
Sentence: 'several giraffes are standing near a tree in their enclosure'. How many words contain the letter 'k' in the sentence.

Ex Output:

0