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".
--------
Question: Process:  -Carbon dioxide enters the leaves through the stomates by diffusion -Water is transported to the leaves in the xylem -Energy harvested through light reaction is stored by forming ATP -Carbon dioxide and energy from ATP are used to create sugar -Oxygen exits the leaves through the stomata by diffusion -The plant reuses the water or the water exits through the stomata as water vapor.
 Question: What is the effect of Less pollution is better for more trees. on trees grow bigger.?

Answer: for


Question: 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.?

Answer: against


Question: Process:  -Aluminium cans are put into a recycling bin -Aluminium cans are then collected and taken to a treatment plant -At the treatment plant the aluminium is sorted and cleaned -Readied for reprocessing -The aluminum cans go through a re-melt process -Turned into molten aluminium -The molten aluminum is made into large blocks called ingots -The ingots are sent to mills and are rolled out into thin sheets -The rolls are ready to be made into new aluminum products.
 Question: What is the effect of putting less aluminum cans into recycle bins on more aluminum cans sorted and cleaned.?

Answer:
against