Such robots are easily confused by minor surprises such as shifted bar codes or blocked corridors (not unlike ants thrown off a scent trail or a moth that has mistaken a streetlight for the moon). (scientificamerican.com)
To me, though, they're a minor surprise. (sbnation.com)
Group A saw a minor surprise as Team Horwitz won the group with a 4 - 0 record. (allsportsseries.com)