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:  -Air travels into the body -Air reaches the lungs -The lungs absorb the oxygen from the air -The oxygen is transported by hemoglobin -Red blood cells are made of hemoglobin -Blood has a lot of red blood cells -The heart moves the blood throughout the body -Blood can bring the oxygen to different cells in the body.
 Question: What is the effect of more acid rain forms on more oxygen being brought to the body's cells.?
[A]: none


[Q]: Process:  -Oxygen enters the body through the mouth or nose -The oxygen travels into the lungs -The oxygen binds to hemoglobin proteins within erythrocytes (red blood cells) -The erythrocytes are pumped through the body by the heart -All cells receive the oxygen.
 Question: What is the effect of the batteries are old on more oxygen being brought to the body's cells.?
[A]: none


[Q]: Process:  -The diaphragm contracts -The lungs expand -Air is pulled from outside the body, into the lungs -The membranes in the lungs collect oxygen molecules -Oxygen is transferred to red blood cells -Red blood cells distribute oxygen throughout the body -
 Question: What is the effect of less salt is used on less oxygen reaching the body.?
[A]:
none