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:  -Acid rain makes waters acidic -Causes them to absorb aluminum from soil -The water runs off from the soil into lakes, streams, etc -Fish and their eggs die -Frogs and plants die -Insects and other wildlife die -The ecosystem is out of balance, causing further problems -
 Question: What is the effect of more carbon dioxide enters the leaves on less damage by acid rain.?
[A]: none


[Q]: Process:  -A bird picks a spot high spot, often in a tree -The bird collects bits of sticks and grass -The sticks and grasses are placed between support branches -Leaves, mud and spider webs are added to the sticks -The mud, leaves and webs glue the sticks together -The solid nest supports the eggs -
 Question: What is the effect of Butterflies have more food on more leaves are added to the nest.?
[A]: none


[Q]: Process:  -The sun gives off radiation -The radiation is aborbed by the Earth -Some of the radiation goes back into space -Some is trapped by the atmosphere -If too much heat is trapped -Global warming occurs.
 Question: What is the effect of the earth moves farther from the sun on a smaller greenhouse effect.?
[A]:
for