TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a woman holds a wine glass upside down while wearing rabbit ears and staring at a bottle of wine'. Find frequency of the letter 'a'

SOLUTION: 11

PROBLEM: Sentence: 'a toilet filled with a brown liner and dirty water'. Find frequency of the letter 't'

SOLUTION: 5

PROBLEM: Sentence: 'two cows are standing in a grassy area'. Find frequency of the letter 'g'

SOLUTION:
2