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 in a suit leaning on a door frame'. Remove all words of length '5' in the given sentence.

Ex Output:
a man in a suit leaning on a door


Ex Input:
Sentence: 'three women sit on a couch in front of a black cat'. Remove all words of length '2' in the given sentence.

Ex Output:

three women sit a couch front a black cat