a method of reasoning using three related staterments is
three
test,do
Llamas, Alpacas, and Vicuna are three animals related to Camels.
All three are friends none of them are related
the three religions related are christianity, judaism and the best of all Islam
A trilogy.
guess , theory
own
There are more than three. See the related question below.
There are a lot, but cloning, space travel, and pollution are three of them.
Three fourths is five and a quarter less than six.