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 dining area with a table television and door to kitchen'. Remove all words of length '7' in the given sentence.
Example Output: a dining area with a table television and door to

Example Input: Sentence: 'a ram that is standing on the grass'. Remove all words of length '1' in the given sentence.
Example Output: ram that is standing on the grass

Example Input: Sentence: 'sheep are gathered around a boat on the grass'. Remove all words of length '6' in the given sentence.
Example Output:
sheep are gathered a boat on the grass