Papua New Guinea has the most languages in the world. - False (It has more languages than *any other* country, but not necessarily the absolute most).
Hiri Motu and Tok Pisin are not the mother tongues of most people. - True (Paragraph 2 states: "For most people, these are not their mother tongue").
English is the most spoken language in Papua New Guinea. - False (Paragraph 3 states: "About 50,000 people speak English as their first language", implying other languages are spoken by more people as a first language).
The first inhabitants of Papua New Guinea came from Europe. - False (Paragraph 4 states: "The first inhabitants... arrived from different parts of Asia").
People stayed in their own groups because there were few roads. - True (Paragraph 5 states: "there still aren't many roads connecting the villages. So, people stay in their own groups").