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 bear rolling on his back on some logs'. Remove all words of length '2' in the given sentence.
a bear rolling his back some logs

Sentence: 'a person on some skis in the snow'. Remove all words of length '4' in the given sentence.
a person on in the

Sentence: 'a guy and girl eating food on the beach'. Remove all words of length '2' in the given sentence.

a guy and girl eating food the beach