Here you have some posible topics to discuss. Remember to choose a good hook and finish with an appropriate concluding paragraph:
_Natural medicines are absolutely useless.
_Are we alone in the Universe ?
_Should Edward Snowden be protected from the CIA by the European governments ?
_Can parents decide on their son or daughter becoming a vegetarian ?
_Whattsapp and Facebook are responsible for the 60% of the couples who break up ,according to recent studies.