Which of the following person is NOT disqualified by law to enter into a contract?

None of the above

The following persons are not competent to enter into a contract:

Minor - Persons who are less than 18 years of age;

Persons with unsound mind - (a) Idiots, (b) Lunatics, (c) Drunkards;

Persons disqualified by law - (a) Alien enemies, (b) Foreign sovereign, (c) Insolvents, (d) Convicts, (e) Corporation, (f) Barristers.