TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a cat sitting on a wooden chair look at the camera'. How many words contain the letter 'd' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a man in a helmet leans on his motorcycle'. How many words contain the letter 'n' in the sentence.

SOLUTION: 4

PROBLEM: Sentence: 'a living room and dining area with hard wood floors'. How many words contain the letter 'd' in the sentence.

SOLUTION:
4