Text: To get the best from Coral World, pick up a copy of their excellent full-colour Fish Guide and see how many of the 745 different fish and corals your children can identify through the observatory windows.
Entailment: Coral World's full-color Fish Guide is an excellent companion for helping your children identify the many different fish and corals through the windows of the observatory.
Contradiction: Coral World offers no guide on identifying the 745 fish and coral species they house.