I don't think you can give abstractions.
la tom cu milxe cinba la meris
In http://vlasisku.lojban.org/vlasisku/dunda it does say x2 of dunda can be an event or property not just a specific item.
However in this case I think I translated word for word (which Tatoeba encourages us not to). So I'm going to go ahead and change it to your suggested sentence.
ki'esai gleki
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This sentence was initially added as a translation of sentence #1028888
added by temlat, July 13, 2013
linked by temlat, July 13, 2013
edited by gleki, July 25, 2013
edited by temlat, July 25, 2013