TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a couple of lambs that are in the dirt'. How many words contain the letter 'l' in the sentence.

SOLUTION: 2

PROBLEM: Sentence: 'a couple is fast asleep at 3 in the morning'. How many words contain the letter 'y' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a plane is on the tarmac at naha airport'. How many words contain the letter 'p' in the sentence.

SOLUTION:
2