Detailed Instructions: In this task you will be given a process, and a question. The process contains a sequence of steps that happen in order. The question asks about the effect of a certain event on another event. If the first event has a positive effect on the second event, answer with "for", if it has a negative effect, answer with "against". If there's no causal relationship between the two, answer with "none".
Q: Process:  -The kidneys receive blood through the renal artery -The blood is passed through the nephrons in the kidneys -The kidneys filter the waste from the blood -The clean blood is circulated out of the kidneys -Excess water and waste is expelled from the kidneys in the form of urine.
 Question: What is the effect of there is more waste in the blood on there is less waste.?
A:
against