Which statement about ethnic groups in Southwest Asia is correct?

Question

Kurds make up the largest ethnic group in the Arabian Peninsula.
Kurds make up the largest ethnic group in the Arabian Peninsula.

People in the same ethnic group follow the same religion.
People in the same ethnic group follow the same religion.

Arabs are the largest ethnic group in the region.
Arabs are the largest ethnic group in the region.

Arabs are the majority in every country in the region.

Answer 1

Arabs are the largest ethnic group in the region.