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".

Let me give you an example: Process:  -Forest fires burn forests -The animals living in the forest have fewer places to hide -Predators can now find their prey eaiser -Birds will fly away from the area -Waters warm up which hurts the fish swimming in them.
 Question: What is the effect of people are less careful about putting out their campfires on a greater negative effect on animals.?
The answer to this example can be: for
Here is why: If people are less careful about putting out campfires, it will result in a greater negative effect on animals.

OK. solve this:
Process:  -A person breathes in oxygen -The oxygen passes through the bronchial tubes to the lungs -The oxygen is moved into the bloodstream -Circulates through the body -The cells in the body exchange the oxygen with carbon dioxide -The bloodstream carries the carbon dioxide back to the lungs -The lungs expel the carbon dioxide through the nose and mouth.
 Question: What is the effect of a person is in very thin air on they will take in more oxygen.?
Answer:
against