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.

[Q]: Sentence: 'a large herd of elephants on the edge of some water'. Remove all words of length '9' in the given sentence.
[A]: a large herd of on the edge of some water


[Q]: Sentence: 'an empty side by side stainless steel refrigerator sits ajar'. Remove all words of length '4' in the given sentence.
[A]: an empty by stainless steel refrigerator


[Q]: Sentence: 'a gray train riding on a track as people are walking'. Remove all words of length '2' in the given sentence.
[A]:
a gray train riding a track people are walking