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: 'a small bird is on top of a branch'. Remove all words of length '6' in the given sentence.

SOLUTION: a small bird is on top of a

PROBLEM: Sentence: 'two giraffes standing next to each other next to trees'. Remove all words of length '4' in the given sentence.

SOLUTION: two giraffes standing to other to trees

PROBLEM: Sentence: 'a large bear walking around a zoo enclosure'. Remove all words of length '6' in the given sentence.

SOLUTION:
a large bear walking a zoo enclosure