2 files changed, 26 insertions, 0 deletions
diff --git a/prolog/problems/family_relations/mother_2/common.py b/prolog/problems/family_relations/mother_2/common.py
new file mode 100644
index 0000000..6c75823
--- /dev/null
+++ b/prolog/problems/family_relations/mother_2/common.py
@@ -0,0 +1,11 @@
+id = 94
+group = 'family_relations'
+number = 1
+visible = True
+facts = 'family_relations'
+
+solution = '''\
+mother(X, Y) :-
+  parent(X, Y),
+  female(X).
+'''
diff --git a/prolog/problems/family_relations/mother_2/en.py b/prolog/problems/family_relations/mother_2/en.py
new file mode 100644
index 0000000..9f1c098
--- /dev/null
+++ b/prolog/problems/family_relations/mother_2/en.py
@@ -0,0 +1,15 @@
+id = 94
+name = 'mother/2'
+slug = 'the mother-child relation'
+
+description = '''\
+<p><code>mother(M, C)</code>: <code>M</code> is the mother of <code>C</code>.</p>
+<pre>
+  ?- mother(tina, william).
+    true.
+  ?- mother(nevia, X).
+    X = luana ;
+    X = daniela.
+</pre>'''
+
+hint = {}