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 man is crouched down by a big elephant'. Remove all words of length '3' in the given sentence.

Ex Output:
a is crouched down by a elephant


Ex Input:
Sentence: 'the view of a clock tower from a window'. Remove all words of length '6' in the given sentence.

Ex Output:
the view of a clock tower from a


Ex Input:
Sentence: 'a cat sitting in front of a tv in a living room'. Remove all words of length '7' in the given sentence.

Ex Output:

a cat in front of a tv in a living room