Complex sentence: In the southern Caribbean they co-existed with a related Cariban-speaking group, the "Galibi", who lived in separate villages in Grenada and Tobago and are believed to have been mainland Caribs.
Split into simpler sentences: In the southern Caribbean, they co-existed with a related Cariban-speaking group, the "Galibi". They lived in separate villages in Grenada and Tobago and are believed to have been mainland Caribs.