Problem: Does "The history of a unified Tibet begins with the rule of Songtsan Gampo (604650 CE), who united parts of the Yarlung River Valley and founded the Tibetan Empire." answer the question "What did Songtsan Gampo unite?" OPTIONS:
- yes
- no

A: yes

Problem: Does "By 1938 the United States Navy had developed an electromechanical analog computer small enough to use aboard a submarine." answer the question "What type of math did the Torpedo Data computer use to fire a torpedo at a moving target?" OPTIONS:
- yes
- no

A: no

Problem: Does "The English psychologist and philosopher James Ward inspired by Leibniz had also defended a form of pluralistic idealism." answer the question "Who was a notable disciple of Leibniz?" OPTIONS:
- yes
- no

A:
yes