TASK DEFINITION: In this task, you need to remove all words of a given length in the sentence. The number of letters in a word determine its length, for example, the length of the word "apple" is 5.
PROBLEM: Sentence: 'group of people gathering to ski and snowboard on side of mountain'. Remove all words of length '2' in the given sentence.

SOLUTION: group people gathering ski and snowboard side mountain

PROBLEM: Sentence: 'two giraffes in a rock enclosure at a zoo'. Remove all words of length '8' in the given sentence.

SOLUTION: two in a rock enclosure at a zoo

PROBLEM: Sentence: 'a large gray horse is eating out of a bag in the snow while pulling a sleigh'. Remove all words of length '2' in the given sentence.

SOLUTION:
a large gray horse eating out a bag the snow while pulling a sleigh