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 small cow standing on a lush green field'. Remove all words of length '5' in the given sentence.
Example Output: a cow standing on a lush

Example Input: Sentence: 'a toilet tank lid with a bowl of soaps and seashells and a cup of toothbrushes and toothpaste'. Remove all words of length '9' in the given sentence.
Example Output: a toilet tank lid with a bowl of soaps and and a cup of toothbrushes and toothpaste

Example Input: Sentence: 'a girl draping her arm over the back of the bench'. Remove all words of length '3' in the given sentence.
Example Output:
a girl draping over back of bench