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

Example Input: Sentence: 'a group of people cooking pancakes in the field'. How many words contain the letter 'g' in the sentence.
Example Output: 2

Example Input: Sentence: 'little girl with her bunny beside her sitting on a bench'. How many words contain the letter 'w' in the sentence.
Example Output: 1

Example Input: Sentence: 'many luggage suitcases are arranged on the sidewalk'. How many words contain the letter 'l' in the sentence.
Example Output:
2