Task: Question Answering
Input (English): Process:  -Owls hunt around their hunting territory away from where they roost during the day -They sit still on a perch, like a stump of branch, and wait for prey -They use their highly sensitive hearing to locate prey that cannot be seen -They use their very keen vision to see prey in the dark -They fly silently, without flapping their wings, in order to surprise the prey -The owl silently glides or drops on its prey, grabbing it with its talons and beak -The owl eats the prey, or carries it back to its perch -
 Question: What is the effect of sees prey that is hard to see on helping owls to hunt at night.?
Output (English): for