Context: Graphene looks like it \'s going to be one of the " wonder materials " of the future , and a science team at Cornell University have just demonstrated the world \'s smallest balloon made of it .
Question: Why is graphene looking like it will be a wonder material ?
Option 0: It is a new form of " wonder " bread that is made of some new gluten free wheats .
Option 1: Wonder means I do n't see any use for it .. I wonder what it is .
Option 2: It is a different material that can be used in many different and wonderful ways .
Option 3: Graphene is a sort of " garbage " material that is n\'t worth wondering about .
Answer: 2