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:  -Waste products are deposited in the blood -Blood is carried to the kidneys through the renal arteries -The kidneys contain filters inside -The filters capture the waste products -The waste is combined with water to make urine -The urine leaves the kidney and is collected in the bladder -The cleaned blood is returned to the body.
 Question: What is the effect of less iron will be exposed on less waste being removed from the body.?
[A]: none


[Q]: Process:  -Put the aluminum can into a recycle bin -The cans are transported to a facility -The cans are shredded by a machine -The cans are heated to 1400 degrees to melt them -The molten metal is poured into molds -The molds are flattened and rolled into sheets to reuse.
 Question: What is the effect of salt stays in the water on less cans are flattened and made into sheets.?
[A]: none


[Q]: Process:  -One type of air pollution is the addition of carbon dioxide gas into the air -Some scientists believe that releasing too much carbon dioxide into the atmosphere is one of the causes of global warming -This upsets the balance of the carbon cycle -The ozone layer helps protect us from harmful rays from the sun -It is getting damaged from air pollution such as methane gas from livestock and CFCs from spray cans -Acid rain is created when gasses such as sulfur dioxide get high into the atmosphere -The wind can blow these gasses for miles and then they get washed out of the air when it rains -This rain is called acid rain and can damage forests and kill fish.
 Question: What is the effect of more carbon dioxide released on less bad effects of pollution.?
[A]:
against