Does the sentence "During this period, the Empire was marked by a highly centralized administration connecting the different regions." provide a valid answer to the question "How did the "Classic Period" end?"

A: no

Does the sentence "(Sumerian Renaissance) approximately 2100-2000 BC, but the Akkadian language also remained in use." provide a valid answer to the question "What language was in use in the Neo-Sumerian Empire?"

A: yes

Does the sentence "DeveloperWorks is a website run by IBM for software developers and IT professionals." provide a valid answer to the question "IBM runs what website for software developers?"

A: yes

Does the sentence "Welsh sides that play in English leagues are eligible, although since the creation of the League of Wales there are only six clubs remaining:" provide a valid answer to the question "Has any other country been allowed to enter the competition since?"

A:
no