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: 'two brown and white dogs are playing frisbee'. Remove all words of length '7' in the given sentence.
Example Output: two brown and white dogs are

Example Input: Sentence: 'a photo looking up at a clock in a subway station'. Remove all words of length '5' in the given sentence.
Example Output: a looking up at a in a subway station

Example Input: Sentence: 'a bunch of people are standing out on a beach'. Remove all words of length '2' in the given sentence.
Example Output:
a bunch people are standing out a beach