You will be given a definition of a task first, then some input of the task.
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

What is the matrix no nevermind I want to know the principle that states that with sedimentary rocks, inclusions must be older than the formation that contains them?
Output:
What is the principle that states that with sedimentary rocks, inclusions must be older than the formation that contains them?