Use Hint classes for hints from the last commit

Also move the language-specific hint method for Prolog to prolog.common.

1 files changed, 4 insertions, 8 deletions

diff --git a/prolog/problems/family_relations/brother_2/sl.py b/prolog/problems/family_relations/brother_2/sl.py
index f9db389..ad1d6c2 100644
--- a/prolog/problems/family_relations/brother_2/sl.py
+++ b/prolog/problems/family_relations/brother_2/sl.py
@@ -13,22 +13,18 @@ description = '''\
 </pre>'''
 
 hint = {
-    'general_hint_1': '''\
+    'general_hint': ['''\
 <p><img src="Sister-1.png" /></p>
-''',
-
-    'general_hint_2': '''\
+''', '''\
 <p><img src="Sister-2.png" /></p>
-''',
-
-    'general_hint_3': '''\
+''', '''\
 <p><img src="Sister-2.png" /></p>
 <pre>
 parent(P, X)
 parent(P, Y)
 male(X)
 </pre>
-''',
+'''],
 
     'x_y_must_be_different': '''\
 <p>Si pomislil, da sta <code>X</code> in <code>Y</code> lahko ista oseba? Poskusi naslednjo poizvedbo:</p>