One or more of the premises presupposes the truth of the conclusion, so the argument begs the question. If a person gives birth to a child, she is responsible for taking care of it. Responsibilities are something acquired voluntarily. Of course, some children are born as a result of rape or incest, sexual attacks to which women are involuntarily subjected. I think that is wrong to eat meat, but I do so anyway.
All humans are carnivorous.
Carnivorous beings eat meat. Yet some human beings are vegetarians. Abortion is wrong because it is always wrong to take the life of another human being. But capital punishment isn't wrong. Canadian trade policy is inconsistent.