source: They are culturally akin to the coastal peoples of Papua New Guinea.
target: They are culturally similar to the coastal peoples of Papua New Guinea.
references: They are culturally similar to the coastal peoples of Papua New Guinea. Their culture is similar to that of the coastal communities of Papua New Guinea. They have the same culture to the coastal people of Papua New Guinea. They are similar to the coastal peoples of Papua New Guinea. They are similar to the Papua New Guinea people living on the coast. They are culturally like Papua New Guinea people. They are related to the peoples of Papua New Guinea. They are culturally similar to the people of Papua New Guinea. They are culturally similar to the coastal peoples of Papua New Guinea. Their culture is like the people who live on the coast of Papua New Guinea.