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 couple of people sitting and standing next to a white bath tub'. Remove all words of length '3' in the given sentence.
[EX A]: a couple of people sitting standing next to a white bath

[EX Q]: Sentence: 'a row of park benches sitting next to a park'. Remove all words of length '7' in the given sentence.
[EX A]: a row of park next to a park

[EX Q]: Sentence: 'two men in suites some flags and pillars'. Remove all words of length '6' in the given sentence.
[EX A]:
two men in some flags and pillars