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".

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.?
against

Process:  -A mold spore floats through the air -The spore lands on a piece of bread -The spore grows hyphae into the bread -The mold forms a colony -Sporangiophores grow upward -The mold sends out spores.
 Question: What is the effect of less mold forms into a colony on less sporangiophores grow upward.?
for

Process:  -You inhale -The air enters the mouth and nose -The diaphragm contracts -Air fills all the sacks in the lungs -Oxygen passes through the sacks into capillaries -The blood is passed to the blood in the capillaries -The blood carries the oxygen to the heart -The heart pumps the oxygenated blood to the body.
 Question: What is the effect of more deforestation occurs on more air fills the lungs.?

against