Anchor: FAA faces challenges, including the need to enhance communication and teamwork, and to provide employees with the training and skills they need to operate effectively.
Entailed: FAA are in need of improving teamwork, and strengthening capacity of employees.
Contradiction: FAA has achieved perfection in teamwork, in addition to having a highly qualified and well-trained  workforce. 
Contradiction: A person is using a hole puncher while another uses the copy machine.
Contradiction: The Church of the Divine Wisdom is an artifact of the Byzantine Empire.
Contradiction: He doubted it was.
Contradiction: the guy wearing the black shirt and sweater was looking down