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.

Example Input: Sentence: 'a guy looks at his computer while sitting at his desk'. Remove all words of length '3' in the given sentence.
Example Output: a looks at computer while sitting at desk

Example Input: Sentence: 'two men taking something from an oven in the kitchen'. Remove all words of length '2' in the given sentence.
Example Output: two men taking something from oven the kitchen

Example Input: Sentence: 'a train is going along a train through a city'. Remove all words of length '7' in the given sentence.
Example Output:
a train is going along a train a city