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-rw-r--r--prolog/problems/family_relations/sister_2/sl.py45
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diff --git a/prolog/problems/family_relations/sister_2/sl.py b/prolog/problems/family_relations/sister_2/sl.py
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+++ b/prolog/problems/family_relations/sister_2/sl.py
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+# coding=utf-8
+
+id = 96
+name = 'sister/2'
+slug = 'X je sestra od Y'
+
+description = '''\
+<p><code>sister(X, Y)</code>: <code>X</code> je sestra od <code>Y</code>.</p>
+<pre>
+ ?- sister(vanessa, X).
+ X = patricia.
+</pre>'''
+
+hint = {
+ 'general_hint_1': '''\
+<p>Show Fig. #1 here.</p>
+''',
+
+ 'general_hint_2': '''\
+<p>Show Fig. #2 here.</p>
+''',
+
+ 'general_hint_3': '''\
+<p>Show Fig. #3 here.</p>
+''',
+
+ 'x_y_must_be_different': '''\
+<p>Si pomislil, da sta <code>X</code> in <code>Y</code> lahko ista oseba? Poskusi naslednjo poizvedbo:</p>
+<pre>
+?- sister(sally, Y).
+</pre>
+''',
+
+ 'x_must_be_female': '''\
+<p>Sestra je navadno ženskega spola.</p>
+''',
+
+ 'Y_can_be_of_any_gender': '''\
+<p><code>Y</code> je pravzaprav lahko poljubnega spola.</p>
+''',
+
+ 'common_parent_needed': '''\
+<p>Dobro bi bilo, da imata <code>X</code> in <code>Y</code> vsaj enega skupnega starša.</p>
+''',
+}