What is the meaning of the idiom " Get the better of"?

Wealthy Favourable Advantage over Take advantage of

Advantage over

The correct answer is Advantage over. The other options are: Wealthy : The idiom for this is "to be well-off." Favourable : The idiom for this is "to be in someone's good graces." Take advantage of : The idiom for this is "to use someone or something for your own benefit."