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 toddler standing next to a sheep pen'. Remove all words of length '4' in the given sentence.
Example Output: a toddler standing to a sheep pen

Example Input: Sentence: 'a burning wood stove has a tea pot sitting on top of it and is full of wood'. Remove all words of length '4' in the given sentence.
Example Output: a burning stove has a tea pot sitting on top of it and is of

Example Input: Sentence: 'a small red car turning right onto another street'. Remove all words of length '7' in the given sentence.
Example Output:
a small red car right onto street