I tried to modify /usr/games/gbrainy/verbal_analogies.xml which worked fine.
But I am unable to include a svg despite the xml format. I have no picture with
Translators, please check these recommendations when translating gbrainy: http://live.gnome.org/gbrainy/Localizing
<_question type = "Standard">Which of the following sports does not belong in this group?</_question>
<svg file="clock.svg" text="My text" />
<_tip>Think of the items used in the game.</_tip>
<_answer correct = "yes">Cycling</_answer>
<_rationale>It is the only one that does not use a ball in the game.</_rationale>