Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: (CNN) A Bosnian nongovernmental agency is urging Pokemon Go users to be aware of their surroundings, for a good reason -- land mines. Distracted users are roaming into areas dotted with the unexploded ordnances (left over from the 1990s conflict in that region) while trying to catch the virtual reality monsters, Posavina bez mina said on its Facebook page. "We received information that there are cases where users of the Pokemon Go app in Bosnia are entering into mined forests and risky areas in order to find Pokemon," it said this week. "We ask all citizens to respect all signs warning them about mines and to not enter areas unfamiliar to them."Free app allows users to capture fictional monstersIn Bosnia, players are at risk of wandering into mine fields, group says 
 Question:Since its launch, incidents of distracted _ players have been reported worldwide, including some who have fallen off cliffs.

Pokemon Go