TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'decorated baseball cake in a clear plastic box'. Find frequency of the letter 'k'

SOLUTION: 1

PROBLEM: Sentence: 'two bears swim in a blue pool of water'. Find frequency of the letter 'o'

SOLUTION: 4

PROBLEM: Sentence: 'a close up of a zebra next to a tree'. Find frequency of the letter 'o'

SOLUTION:
3