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 train station focused on the clock above the ticket office'. Remove all words of length '7' in the given sentence.

Ex Output:
a train on the clock above the ticket office


Ex Input:
Sentence: 'a man wearing a hooded jacket  flies a kite'. Remove all words of length '7' in the given sentence.

Ex Output:
a man a hooded jacket flies a kite


Ex Input:
Sentence: 'a boat filled with produce covered by umbrellas'. Remove all words of length '4' in the given sentence.

Ex Output:

a filled produce covered by umbrellas