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

Example Input: Sentence: 'a man with a surfboard walking across a bridge towards the ocean'. How many words contain the letter 'w' in the sentence.
Example Output: 3

Example Input: Sentence: 'a tennis player holds a ball as if to throw it in the air to serve it'. How many words contain the letter 'o' in the sentence.
Example Output: 4

Example Input: Sentence: 'a woman with pink hair standing outside with the words panda hero written on her arm'. How many words contain the letter 'e' in the sentence.
Example Output:
5