Answer:
- Value.
Step-by-step explanation:
Value is something that is associated with the quality or degree of importance that one offers to his/her values or belief system that is moral and ethical.
As per the question, Rukmini's choice of not going on the trip along with her friends exemplify her choice based on 'value' as she is providing importance to her health over the fun that is reflective of her rigidity to stick to her ethics and principles and not getting diverted from her very value-system. Thus, she chooses not to endanger her health that exemplifies choice based on 'value'.