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 train stopped on the track at a station'. Remove all words of length '2' in the given sentence.
Example Output: a train stopped the track a station

Example Input: Sentence: 'a woman pouring her self wine in a wine glass'. Remove all words of length '1' in the given sentence.
Example Output: woman pouring her self wine in wine glass

Example Input: Sentence: 'a herd of cattle standing on top of a grass covered field'. Remove all words of length '3' in the given sentence.
Example Output:
a herd of cattle standing on of a grass covered field