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

Example Input: Sentence: 'a woman smiling for the camera while on a boat'. How many words contain the letter 'e' in the sentence.
Example Output: 3

Example Input: Sentence: 'a white pickup truck thats parked on the corner of an intersection'. How many words contain the letter 'v' in the sentence.
Example Output: 0

Example Input: Sentence: 'a man swinging a baseball bat at a ball'. How many words contain the letter 'l' in the sentence.
Example Output:
2