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 group of zebra standing on top of a lush green field'. Remove all words of length '3' in the given sentence.
Example Output: a group of zebra standing on of a lush green field

Example Input: Sentence: 'a pink sheep grazing with a large crowd of people in the background'. Remove all words of length '4' in the given sentence.
Example Output: a sheep grazing a large crowd of people in the background

Example Input: Sentence: 'a man and woman ride an elephant through the forest'. Remove all words of length '7' in the given sentence.
Example Output:
a man and woman ride an elephant the forest

