instruction:
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
question:
Wht do rock units what happens deeper in the earth I mean under what type of compression do they become thicker and shorten?
answer:
Rock units become thicker and shorten when placed under this type of compression. 


question:
Which month is the first how much does it cost to gain entry to a parliament meeting?
answer:
How much does it cost to gain entry to a parliament meeting?


question:
What is used to analyze or rather view the properties of crystals?
answer:
What is used to view the properties of crystals?