TASK DEFINITION: In this task, you need to count the number of times the given letter appears in the given sentence.
PROBLEM: Sentence: 'a stuffed animal sitting on an empty bed'. Find frequency of the letter 'u'

SOLUTION: 1

PROBLEM: Sentence: 'people seated on a table looking very happy'. Find frequency of the letter 'g'

SOLUTION: 1

PROBLEM: Sentence: 'a man on a bike carrying a surfboard under his arm'. Find frequency of the letter 's'

SOLUTION:
2