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: 'a shirtless man tossing a frisbee under his leg'. Remove all words of length '5' in the given sentence.
a shirtless man tossing a frisbee his leg

Sentence: 'red and white stop sign and a line of gray cars parked along the street'. Remove all words of length '4' in the given sentence.
red and white and a of parked along the street

Sentence: 'a couple of small children sitting on top of a rug'. Remove all words of length '1' in the given sentence.

couple of small children sitting on top of rug