TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'some zebras dirt plants and bushes'. How many words contain the letter 'r' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a couple of horses standing next to each other on a field'. How many words contain the letter 'q' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a couple of men are kicking a soccer ball in a field'. How many words contain the letter 'o' in the sentence.

SOLUTION:
3