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 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 less pollution in the environment on there are more trees chopped down.?
[A]: none


[Q]: Process:  -Get the ice tray -Remove any ice cubes currently in the tray -Fill the tray with cold water -Ensure the tray is evenly filled to an appropriate level -Open the freezer -Place the tray in the freezer -Close the freezer door -Wait.
 Question: What is the effect of there is only an icebox available on a bigger tray is used.?
[A]: against


[Q]: Process:  -The liver filters blood from the digestive tract -The liver produces bile -The liver produces proteins for blood plasma -The liver converts excess glucose into glycogen for storage -The liver converts ammonia to urea -The liver regulates blood clotting.
 Question: What is the effect of the blood is able to be pumped to the liver on "the blood hasnt been pumped to liver".?
[A]:
against