TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a little boy that is sitting near two birds'. How many words contain the letter 'm' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a dog lying down with a blanket on top of it'. How many words contain the letter 'o' in the sentence.

SOLUTION: 5

PROBLEM: Sentence: 'a person standing in a field flying a kite'. How many words contain the letter 'l' in the sentence.

SOLUTION:
2