Concepts: ground, student, walk
A: students walk along the hallowed ground at low tide .
Concepts: sit, station, train
A: a train sits at the station
Concepts: contest, head, left, round, throw
A: boxer throws a left to the head of boxer in the first round of contest
Concepts: airplane, mountain, wing
A:
Mountains can be seen below, as well as the wing of an airplane.