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 giraffe comes close to a visitor in its enclosure'. Remove all words of length '1' in the given sentence.
Example Output: giraffe comes close to visitor in its enclosure

Example Input: Sentence: 'a bottle of wine and a glass of wine'. Remove all words of length '1' in the given sentence.
Example Output: bottle of wine and glass of wine

Example Input: Sentence: 'clear pink flowers are rested upon a window sill in a clear blue vase'. Remove all words of length '7' in the given sentence.
Example Output:
clear pink are rested upon a window sill in a clear blue vase