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 woman is holding a surfboard at the beach'. Remove all words of length '2' in the given sentence.
a woman holding a surfboard the beach

Sentence: 'a bunch of bananas are shown sitting on a chair'. Remove all words of length '2' in the given sentence.
a bunch bananas are shown sitting a chair

Sentence: 'a heard of black cows standing and looking at the camera'. Remove all words of length '2' in the given sentence.

a heard black cows standing and looking the camera