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: 'some tables with people and some are looking at laptops'. Remove all words of length '4' in the given sentence.
Example Output: tables people and are looking at laptops

Example Input: Sentence: 'daffodils with white petals sit in a bunch'. Remove all words of length '5' in the given sentence.
Example Output: daffodils with petals sit in a

Example Input: Sentence: 'a bear sits down on the ground with sand'. Remove all words of length '6' in the given sentence.
Example Output:
a bear sits down on the with sand