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 with a skateboard up in air at a skateboard park'. How many words contain the letter 's' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'the dog is watching the people in the water'. How many words contain the letter 'h' in the sentence.

SOLUTION:
4