Hints for mother, father, brother, and sister added.

1 files changed, 17 insertions, 0 deletions

diff --git a/prolog/problems/family_relations/father_2/en.py b/prolog/problems/family_relations/father_2/en.py
new file mode 100644
index 0000000..108bb9b
--- /dev/null
+++ b/prolog/problems/family_relations/father_2/en.py
@@ -0,0 +1,17 @@
+# coding=utf-8
+
+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 = {}