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 truck pulling a trailer in a dirt field'. Remove all words of length '2' in the given sentence.
a truck pulling a trailer a dirt field

Sentence: 'a cat laying on a desk in front of a computer'. Remove all words of length '1' in the given sentence.
cat laying on desk in front of computer

Sentence: 'an elephant is in an enclosure by a rock formation'. Remove all words of length '8' in the given sentence.

an is in an enclosure by a rock formation