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 zebra in a tall grassy field watching deer in the background'. Remove all words of length '2' in the given sentence.
[A]: a zebra a tall grassy field watching deer the background


[Q]: Sentence: 'a street light with several street signs on it'. Remove all words of length '1' in the given sentence.
[A]: street light with several street signs on it


[Q]: Sentence: 'a bird perched on the branch of a tree'. Remove all words of length '6' in the given sentence.
[A]:
a bird perched on the of a tree