TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a big sign that is lit up near some buildings'. How many words contain the letter 'r' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'a young man in a bunch of waves on his board'. How many words contain the letter 'j' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a couple of giraffes and a couple of horned animals in a green field'. How many words contain the letter 's' in the sentence.

SOLUTION:
2