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 young men are playing a game on the wii'. Remove all words of length '4' in the given sentence.
Example Output: two young men are playing a on the wii

Example Input: Sentence: 'the pitcher has just thrown a ball towards the batter in this game'. Remove all words of length '6' in the given sentence.
Example Output:
the pitcher has just a ball towards the in this game