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 eating the grass in the field'. Remove all words of length '2' in the given sentence.
Example Output: the zebra eating the grass the field

Example Input: Sentence: 'an image of a group of people at the park'. Remove all words of length '5' in the given sentence.
Example Output: an of a of people at the park

Example Input: Sentence: 'a bed room with a sky light above a bed'. Remove all words of length '1' in the given sentence.
Example Output:
bed room with sky light above bed