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 woman prepares to serve the tennis ball'. Remove all words of length '1' in the given sentence.
Example Output: woman prepares to serve the tennis ball

Example Input: Sentence: 'long passenger train rides along the elevated train tracks'. Remove all words of length '4' in the given sentence.
Example Output: passenger train rides along the elevated train tracks

Example Input: Sentence: 'flowers in vases in a greenhouse under a parasol'. Remove all words of length '1' in the given sentence.
Example Output:
flowers in vases in greenhouse under parasol