almondtools

male(george).
male(john).
male(robert).

female(barbara).
female(christine).
female(yolanda).

person(X) :- male(X).
person(X) :- female(X).

almondtools

package test;

import static java.util.Objects.isNull;
import static org.assertj.core.api.Assertions.assertThat;
import static org.hamcrest.Matchers.containsInAnyOrder;

import java.util.ArrayList;
import java.util.List;

import org.assertj.core.api.HamcrestCondition;