Premise: "This has been supplemented by the spread of lucrative palm oil plantations, the discovery of rich new reserves of petroleum and natural gas off the north coast of Borneo and the east coast of the peninsula, and development of manufacturing and tourism industries." If this premise is true, what does that tell us about whether it entails the hypothesis "The palm oil plantations are quite lucrative, but have supplemented this and so have the tourism industry developments."?
yes