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 boy looks excitedly at his birthday cake with his friend'. Remove all words of length '9' in the given sentence.
Example Output: a boy looks at his birthday cake with his friend

Example Input: Sentence: 'there is a sandwich with french fries on the plate'. Remove all words of length '2' in the given sentence.
Example Output: there a sandwich with french fries the plate

Example Input: Sentence: 'a picture of the ocean with a man being pulled by a kite'. Remove all words of length '5' in the given sentence.
Example Output:
a picture of the with a man pulled by a kite