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 group of people on skis on a snowy slope'. How many words contain the letter 'w' in the sentence.

SOLUTION: 1

PROBLEM: Sentence: 'cows are drinking water with a grounded small boat in the background'. How many words contain the letter 'k' in the sentence.

SOLUTION:
2