Boko Haram has released a new video on the insurgency in Nigeria, with its leader Abubakar Shekau again failing to … see more » Copyright © 2015 Daily Trust.
What is the relationship between 'Boko Haram' and 'Abubakar Shekau' in the context of the input sentence.
Options: director/manager, product/material produced, publisher, chairperson