The document describes the location of various boys and a dad in relation to objects like a bench, bridge, sign, bus, stairs, and horses using prepositions like "on", "off", "behind", "in front of", "next to", "under", "at the top", "at the bottom", and "on the path".

1. Introducing Concepts At Riverbanks Zoo & Botanical Gardens Columbia, SC

2. The boys are on the bridge.

3. The boys are off the bench.

4. The boys are on the bench.

5. The boys are behind the bench.

6. The boys are in front of the bench.

7. The boys are next to the bench.

8. The boys are looking under the bench.

9. The boy is on the path.

10. The boy is in front of the sign.

11. The boy is behind the sign.

12. The boys are in back of dad.

13. The boys are in front of dad.

14. The boys and dad are on the bus.

15. The boys are getting off the bus.

16. The boy is at the top.

17. The boy is at the bottom.

18. The boys are at the top of the steps.

19. The boys are on the steps.

20. The boy is under the stairs.

21. The boys are on the horses.