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 brown bear is standing at the base of the tree'. Remove all words of length '3' in the given sentence.
[A]: a brown bear is standing at base of tree


[Q]: Sentence: 'a large airplane flies in blue skies over some pretty trees'. Remove all words of length '6' in the given sentence.
[A]: a large airplane flies in blue skies over some trees


[Q]: Sentence: 'man holding a green kit while standing on a platform overlooking the river'. Remove all words of length '2' in the given sentence.
[A]:
man holding a green kit while standing a platform overlooking the river