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.

Sentence: 'lion gargoyle statute in front of clock tower'. Remove all words of length '4' in the given sentence.
gargoyle statute in front of clock tower

Sentence: 'a bed with a  white shirt on top of it and pillows'. Remove all words of length '5' in the given sentence.
a bed with a on top of it and pillows

Sentence: 'a small boat is tied up to a rock'. Remove all words of length '5' in the given sentence.

a boat is tied up to a rock