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.
Input: Sentence: 'a teddy bear holding on to a pair of legs that are wearing stockings and babydoll shoes'. Remove all words of length '3' in the given sentence.

a teddy bear holding on to a pair of legs that wearing stockings babydoll shoes