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-rw-r--r--prolog/problems/family_relations/en.py9
1 files changed, 8 insertions, 1 deletions
diff --git a/prolog/problems/family_relations/en.py b/prolog/problems/family_relations/en.py
index dd8f6d6..a57ff7f 100644
--- a/prolog/problems/family_relations/en.py
+++ b/prolog/problems/family_relations/en.py
@@ -1,2 +1,9 @@
name = 'Family relations'
-description = 'First steps in Prolog, defining rules for various family relations.'
+description = '''\
+<p>
+<a target="_blank" href="[%@resource intro_en.html%]">First steps in Prolog</a>: defining rules for various family relations.
+For tasks in this set a database of <a target="_blank" href="[%@resource famrel.svg%]">family trees</a> is already defined.
+In Prolog, this information is represented with the predicates <code>parent/2</code>,
+<code>male/1</code> and <code>female/1</code>.
+</p>
+'''