Does the sentence "Most of Portugal fell into the hands of the Taifa of Badajoz of the Aftasid Dynasty, and after a short spell of an ephemeral Taifa of Lisbon in 1022, fell under the dominion of the Taifa of Seville of the Abbadids poets." provide a valid answer to the question "In which year did the taifa period end?"

A: no

Does the sentence "In the second half of '90s, MP3 files began to spread on the Internet." provide a valid answer to the question "Where did MP3s begin to spread?"

A: yes

Does the sentence "The seal script, as the name suggests, is now used only in artistic seals." provide a valid answer to the question "Who work in the style of carving a traditional seal in the script?"

A: no

Does the sentence "Darwin went to Edinburgh University in 1825 to study medicine." provide a valid answer to the question "When did Darwin begin attending university?"

A:
yes