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: 'man holding a green kit while standing on a platform overlooking the river'. Remove all words of length '2' in the given sentence.
Example Output: man holding a green kit while standing a platform overlooking the river

Example Input: Sentence: 'a plate full of green vegetables and other foods'. Remove all words of length '3' in the given sentence.
Example Output: a plate full of green vegetables other foods

Example Input: Sentence: 'a black dog running across a field full of green grass'. Remove all words of length '7' in the given sentence.
Example Output:
a black dog across a field full of green grass