In communicating a position on the soda ban, it is effective to use deductive argument which supplies strong premises followed by a valid conclusion. This is more effective than inductive argument, which only has a probable conclusion.
If one uses the ethos appeal, one would might say that customer rights entail them freedom as to their consumption of certain goods. Restrictions by the government is wrong or unconstitutional.
In an emotion appeal, one might target the parent's concern for their children's health, to avoid obesity due to sugared drinks.
To argue using logos would be follow the pros and cons of soda ban.