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 london bed and furniture store called happy nightmares'. Remove all words of length '3' in the given sentence.
Example Output: a london furniture store called happy nightmares

Example Input: Sentence: 'a man walking down a street while talking on a cell phone'. Remove all words of length '3' in the given sentence.
Example Output: a walking down a street while talking on a cell phone

Example Input: Sentence: 'a girl riding on the back of a motorcycle viewing a cell phone'. Remove all words of length '7' in the given sentence.
Example Output:
a girl riding on the back of a motorcycle a cell phone