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:  -Owls hunt around their hunting territory away from where they roost during the day -They sit still on a perch, like a stump of branch, and wait for prey -They use their highly sensitive hearing to locate prey that cannot be seen -They use their very keen vision to see prey in the dark -They fly silently, without flapping their wings, in order to surprise the prey -The owl silently glides or drops on its prey, grabbing it with its talons and beak -The owl eats the prey, or carries it back to its perch -
 Question: What is the effect of owls fly less silently on owls drop in more silently.?
[A]: against


[Q]: Process:  -Coal is harvested from a coal mine -The coal is transported either by train or truck to power station -The coal is burned in a furnace -Water is turned into steam in the boiler -The steam is cooled in cooling towers -The steam turns the turbines -The generator makes electricity -The electricity is sent through transformers.
 Question: What is the effect of electric fires are more economical. on more coal arriving at the power station.?
[A]: against


[Q]: Process:  -Your thermostat senses that the room temperature has fallen below your thermostat setting -Your thermostat sends a signal to your heating system to provide heat for your home -When your oil burner is engaged, heating oil travels from the tank to the burner by way of a pump -Here the oil becomes a fine mist mixed with air -The fuel/air mixture is then injected into the burner where it is ignited in the combustion chamber -The warm air is disbursed through vents, hot water through baseboards, or by steam radiators -
 Question: What is the effect of the thermostat is not working correctly on the thermostat signals the heating system less often.?
[A]:
for