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

Example Input: Sentence: 'an acoustic guitar is shown laying on a bed'. How many words contain the letter 'l' in the sentence.
Example Output: 1

Example Input: Sentence: 'a man sleeping on a park bench then a woman looks at another man with a newspaper over his face on another park bench'. How many words contain the letter 't' in the sentence.
Example Output: 5

Example Input: Sentence: 'there are zebras and a girafee on the green standing'. How many words contain the letter 'o' in the sentence.
Example Output:
1