TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a baseball themed birthday cake is on a serving tray'. Find frequency of the letter 'g'

SOLUTION: 1

PROBLEM: Sentence: 'two people wearing snowboards sitting on a snowy slope'. Find frequency of the letter 's'

SOLUTION: 5

PROBLEM: Sentence: 'a young girl holds a teddy bear in front of the camera'. Find frequency of the letter 'r'

SOLUTION:
4