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 pitcher releases the ball on the mound'. Remove all words of length '7' in the given sentence.
Example Output: a releases the ball on the mound

Example Input: Sentence: 'a train station focused on the clock above the ticket office'. Remove all words of length '7' in the given sentence.
Example Output: a train on the clock above the ticket office

Example Input: Sentence: 'a person on a motor bike and a car on the street'. Remove all words of length '3' in the given sentence.
Example Output:
a person on a motor bike a on street