Task: Paraphrasing
Input (English): Question: Which form of dialysis has a patient’s blood pass through a length of tubing that travels through an artificial kidney machine? 
Answer: hemodialysis. 
Sentence: Hemodialysis has a patient’s blood pass through a length of tubing that travels through an artificial kidney machine.
Output (English): Patients who undergo hemodialysis have their blood passed through an artificial kidney machine, via tubing that carries the blood from patient to machine and back.