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 woman sitting with two dressed up teddy bears'. Remove all words of length '4' in the given sentence.
Example Output: a woman sitting two dressed up teddy bears

Example Input: Sentence: 'boats sailing along a river next to a cliff with buildings on it'. Remove all words of length '4' in the given sentence.
Example Output: boats sailing along a river to a cliff buildings on it

Example Input: Sentence: 'skis neatly stacked up in an open carriage'. Remove all words of length '7' in the given sentence.
Example Output:
skis neatly up in an open carriage