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:  -Coal is mined out of the ground -Coal is pulverized into fine powder -The coal is mixed with hot air -The coal and hot air are blown into a boiler -The coal and hot air burn over a fire -Highly purified water is pumped through pipes in the boiler -The water turns into steam -The steam presses against turbines -The turbines spin -Electricity is produced.
 Question: What is the effect of there is an eruption on less heat for the house.?
[A]: none


[Q]: Process:  -The bird picks a tree -The bird collects twigs and other refuse -The bird makes a flat base with twigs -The bird makes sides with twigs and other things -The bird adds softer material to the inside -The nest is done.
 Question: What is the effect of lower human populations on there are fewer trees.?
[A]: against


[Q]: Process:  -A forest fire starts -The trees and plants burn -The animals lose their homes -If the animals can not escape, they may die from smoke inhalation -The plants that provide food are gone -The animals have little to eat -
 Question: What is the effect of the forest is stable on a smaller negative effect on animals.?
[A]:
for