Problem: Does "Disraeli's ministry only lasted a matter of months, and at the end of the year his Liberal rival, William Ewart Gladstone, was appointed prime minister." answer the question "How long did Disralei last in office?"

A: yes

Problem: Does "RCA Victor's early introduction of a long-play disc was a commercial failure for several reasons including the lack of affordable, reliable consumer playback equipment and consumer wariness during the Great Depression." answer the question "How successful was RCA Victor's program-transcription discs?"

A: yes

Problem: Does "In a speech on 24 November 1992, to mark the 40th anniversary of her accession, Elizabeth called 1992 her annus horribilis, meaning horrible year." answer the question "What did Elizabeth call her past year?"

A:
yes