Task: Question Answering
Input (English): 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 if we change cities to a lower altitude one on more oxygen can be found.?
Output (English): for