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

Example Input: Sentence: 'a picture of bottles and cans in someones kitchen'. How many words contain the letter 'c' in the sentence.
Example Output: 3

Example Input: Sentence: 'a woman standing in the dirt looking up at an elephant'. How many words contain the letter 'b' in the sentence.
Example Output: 0

Example Input: Sentence: 'a basket that is full of fruits and vegetables'. How many words contain the letter 'v' in the sentence.
Example Output:
1