instruction:
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:  -Oil is gathered through mining operations -The oil is transported to stores -Oil is purchased by homeowners -Oil is placed into a stove in the house -The oil is lit on fire, and burns for a long time -The warm air off of the oil travels through the house -
 Question: What is the effect of less oil is gathered on less heat for the house.?
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 less pollution in the environment on there are more trees chopped down.?
answer:
none


question:
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 coal become cheaper on less heat for the house.?
answer:

against