Problem: Does "Shorter, black-and-white daily strips began to appear early in the 20th century, and became established in newspapers after the success in 1907 of Bud Fisher's Mutt and Jeff." answer the question "When did Mutt and Jeff appear?"

A: yes

Problem: Does "Also, by promising to vote for Joseph II in the Imperial elections, Frederick II accepted the Habsburg preeminence in the Holy Roman Empire." answer the question "Who did Frederick II promise to vote for in the imperial elections?"

A: yes

Problem: Does "One example is Tim Brennan of the Irish-American punk rock band Dropkick Murphys." answer the question "Which Irish-American punk band uses Mandolins?"

A:
yes