TASK DEFINITION: In this task, you need to count the number of words in a sentence that contain the given letter
PROBLEM: Sentence: 'a boy tucks his knees to complete a jump on his skate board'. How many words contain the letter 'f' in the sentence.

SOLUTION: 0

PROBLEM: Sentence: 'a man with a skateboard up in air at a skateboard park'. How many words contain the letter 's' in the sentence.

SOLUTION: 2

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

SOLUTION:
1