Try (or expand) this option:
Example 1:
if it's raining outside, the ground is wet.
if it's raining outside, I need take an umbrella.
Example 2:
(if) 'all the metals conduct the electrical current' & 'the iron is metal' (then) 'the iron conducts the electrical current';
(if) 'all the countries of the Latin America are republics' (then) 'Brasilia is republic'.
