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.
Several people traveled to Lantau and Lamma to inquire about agricultural yields.
mnli hypothesis: Several people traveled to Lantau and Lamma to inquire about agricultural yields. premise: 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.