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: 'the zebra is looking for the tastiest grass'. Remove all words of length '2' in the given sentence.
Example Output: the zebra looking for the tastiest grass

Example Input: Sentence: 'a group of cows standing near a barbed wire fence'. Remove all words of length '1' in the given sentence.
Example Output: group of cows standing near barbed wire fence

Example Input: Sentence: 'a metal fruit rack with bananas hanging on it'. Remove all words of length '5' in the given sentence.
Example Output:
a rack with bananas hanging on it