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:  -They expand to take the air in  -The cells of the lung hold the air -They take in the air and remove the Oxygen -They inflate and all the bad air leaves through the mouth -They do it all over again.
 Question: What is the effect of air is converted into oxygen in the lung on more oxygen being brought to the body.?
[A]: for


[Q]: Process:  -Water evaporates from the ground up to the sky -Water droplets are in clouds -The air gets cold -Water droplets turn into ice crystals -Ice crystals in clouds stick together and become snowflakes.
 Question: What is the effect of Weather conditions are less favorable for plant growth on less snow.?
[A]: none


[Q]: Process:  -Pollution enters natural water sources such as rivers and lakes -The pollution negatively affects the water quality -The pollution negatively affects the health of plants and animals -The plants and animals have shorter, less healthy lives -The plants and animals do not reproduce very well -The number of plants and animals decreases over time -The quality of water gets worse and worse as there are no plants or animals to clean it -Eventually there is nothing living in the water and it is unusable -
 Question: What is the effect of plants and animals lifespans decrease on less bad effects of pollution.?
[A]:
against