Problem: Does "To prevent civil war and possible foreign intervention from undermining the infant republic, leaders agreed to Army's demand that China be united under a Beijing government." answer the question "Who had control of the Beiyang army?" OPTIONS:
- yes
- no

A: no

Problem: Does "As part of a launch promotion, Microsoft offered Windows 8 Pro upgrades at a discounted price of US$39.99 online, or $69.99 for retail box from its launch until January 31, 2013; afterward the Windows 8 price has been $119.99 and the Pro price $199.99." answer the question "During it's launch how much was a Windows 8 upgrade?" OPTIONS:
- yes
- no

A: yes

Problem: Does "In the 1950s some British pubs would offer "a pie and a pint", with hot individual steak and ale pies made easily on the premises by the proprietor's wife during the lunchtime opening hours." answer the question "During what decade did some British pubs provide "a pie and a pint"?" OPTIONS:
- yes
- no

A:
yes