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: 'oriental setting with a orange case and red candle on a stand'. Remove all words of length '1' in the given sentence.
oriental setting with orange case and red candle on stand

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

Sentence: 'a group of children on skis lined up'. Remove all words of length '5' in the given sentence.

a of children on skis up