课堂英语辩论赛!should animals be trained to help human?求反方观点!

First ,animals belong to the nature ,they don't belong us .We should respect their nature rather than train them to be our slave .
Second,as human being ,we should do things ourselves rather than depand on others .Besides,we are just called advanced animals ,in other words ,we are similar to animals ,so what we should do is look animals as our equal friends.