The behavior was a simple one &#150; how well the monkeys were able to control whether to shift their gaze when prompted by the researchers.
(the monkeys; were; able to control whether to shift their gaze) Context(the monkeys were,List([46, 62))):(The behavior; was; a simple one) (the monkeys; to control; whether to shift their gaze when prompted by the researchers)
the monkeys were,List([46, 62))
the monkeys The behavior the monkeys
were was to control
able to control whether to shift their gaze
a simple one
whether to shift their gaze when prompted by the researchers