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 woman sitting with two dressed up teddy bears'. Remove all words of length '4' in the given sentence.
a woman sitting two dressed up teddy bears

Sentence: 'green white and red airplane parked at an airport'. Remove all words of length '7' in the given sentence.
green white and red airplane parked at an

Sentence: 'train tracks running under a traffic signal beside some buildings'. Remove all words of length '6' in the given sentence.

train running under a traffic some buildings