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".

[EX Q]: Process:  -Water gets into cracks in rocks -The water freezes into ice -The cracks expand -Over time the rocks split -The rocks are now in smaller pieces.
 Question: What is the effect of there is not as much freezing on fewer cracks expand.?
[EX A]: for

[EX Q]: Process:  -The kidneys receive blood from the renal artery -They process it with millions of tiny nephrons -Remove all the waste -The kidneys return the blood back to the body through the renal artery -Send the urine with the waste to the bladder through the ureters.
 Question: What is the effect of less waste will remain in the blood on less waste being removed from the body.?
[EX A]: against

[EX Q]: Process:  -Coal is harvested from a coal mine -The coal is transported either by train or truck to power station -The coal is burned in a furnace -Water is turned into steam in the boiler -The steam is cooled in cooling towers -The steam turns the turbines -The generator makes electricity -The electricity is sent through transformers.
 Question: What is the effect of there is a city nearby on fewer people want to buy coal.?
[EX A]:
none