premise: Humans have won notable battles in the war against infection - and antibiotics are still powerful weapons - but nature has evolution on its side, and the war against bacterial diseases is by no means over.
hypothesis: Humans have won notable battles in the war against infection - and antibiotics are still powerful weapons. Antibiotics are supposed to help the human body fight germs and bacteria.
reason: Antibiotics are supposed to help the human body fight germs and bacteria. This is true.