Problem: Does "The Mongol Yuan court was forced to accept him as the new viceroy, and Changchub Gyaltsen and his successors, the Phagmodrupa Dynasty, gained de facto rule over Tibet." answer the question "Who placed the Sakya viceregal regime position of authority?" OPTIONS:
- yes
- no

A: no

Problem: Does "In 27 BC, Lusitania gained the status of Roman province." answer the question "In what year did Lusitania become a Roman province?" OPTIONS:
- yes
- no

A: yes

Problem: Does "Their friendship and mutual admiration, however, do not change the fact that there are important differences between their ideas." answer the question "Who is the only exception from whom Hayek claims to have learned more than he did from Popper?" OPTIONS:
- yes
- no

A:
no