Detailed Instructions: 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.
Q: Sentence: 'some big commercial planes all parked by each other'. Remove all words of length '10' in the given sentence.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
some big planes all parked by each other