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.

Sentence: 'a group of people on horses in a field'. Remove all words of length '2' in the given sentence.
a group people horses a field

Sentence: 'a bunch of birds that are on ledge'. Remove all words of length '5' in the given sentence.
a of that are on

Sentence: 'several wild animals stand in a field including a giraffe and a zebra'. Remove all words of length '2' in the given sentence.

several wild animals stand a field including a giraffe and a zebra