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 Input:
Sentence: 'a bird perched on a wood rail by itself'. Remove all words of length '7' in the given sentence.

Ex Output:
a bird on a wood rail by itself


Ex Input:
Sentence: 'a red and white jet on a runway and brown grass'. Remove all words of length '6' in the given sentence.

Ex Output:
a red and white jet on a and brown grass


Ex Input:
Sentence: 'three large blue flat bed trucks on a deserted road'. Remove all words of length '5' in the given sentence.

Ex Output:

blue flat bed trucks on a deserted road