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