[Q]: Sentence: Many US and European jewellery companies, including Bulgari, Tiffany, and Cartier, refuse to import these stones based on reports of deplorable working conditions in the mines. Question: Why is Burma experiencing this problem with the gems industry ? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: As of late 2009, a Pfizer drug-testing clinic, a medical laboratory building serving Yale New Haven Hospital, and a mixed-use structure containing parking, housing and office space, have been constructed on this corridor. Question: When was the opening of first building in the second biotech district? OPTIONS:
- yes
- no
++++++++++
[A]: yes

[Q]: Sentence: The band have supported Beyonce in most subsequent live performances, including her 2007 concert tour The Beyonce Experience, 20092010 I Am... World Tour and 20132014 The Mrs. Carter Show World Tour. Question: When did The Mamas make their debut? OPTIONS:
- yes
- no
++++++++++
[A]:
no