Concepts: perform, program, student
A: students perform the national anthem at the start of the program .
Concepts: appear, belong, immobilize, mine, run
A: this tiger belonging appears to have been immobilized by running over a mine .
Concepts: farmer, help, herd, sheep
A: A dog is helping to herd the sheep for the farmer.
Concepts: day, hide, mountain
A:
hidden waterfall in the mountain under sunny day