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.

[EX Q]: Sentence: 'a black bear sitting on top of a fallen log at a zoo'. Remove all words of length '7' in the given sentence.
[EX A]: a black bear on top of a fallen log at a zoo

[EX Q]: Sentence: 'two cows are lying down in a field'. Remove all words of length '4' in the given sentence.
[EX A]: two are lying in a field

[EX Q]: Sentence: 'a man sits in front of a plate of cake'. Remove all words of length '2' in the given sentence.
[EX A]:
a man sits front a plate cake