Text: On the outlying islands, Cheung Chau and Cheung Sha are on Lantau, and Hung Shing Ye and Lo So Shing on Lamma; inquire about water pollution levels.
Entailment: There is an inquiry into the pollution of water on Lantau and Lamma island.
Contradiction: Several people traveled to Lantau and Lamma to inquire about agricultural yields.