QUES: Q: In what systems is the political party allowed to legally hold effective power?
A: In one-party systems, one political party is legally allowed to hold effective power.
Does the answer answer the question?

ANS: yes

QUES: Q: What sector puts up most of Southampton's economic contribution?
A: According to 2004 figures, Southampton contributes around 4.2 bn to the regional economy annually.
Does the answer answer the question?

ANS: no

QUES: Q: What was the BeiDou-2 system previously known as?
A: BeiDou-2 (formerly known as COMPASS) is not an extension to the older BeiDou-1, but rather supersedes it outright.
Does the answer answer the question?

ANS: yes

QUES: Q: Along with petroleum and iron ore, what resource was abundant in the RSFSR?
A: Roughly 70% of the area in the RSFSR consisted of broad plains, with mountainous tundra regions mainly concentrated in the east.
Does the answer answer the question?

ANS:
no