Problem: Does "In the Tang and Song Dynasties, gates of palaces were usually painted red, and nobles often painted their entire mansion red." answer the question "Who painted their mansions red during the Song and Tang dynasties?"

A: yes

Problem: Does "The flowering plants (angiosperms), also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants, with about 350,000 species." answer the question "How many species of flowering plants are there about?"

A: yes

Problem: Does "Today programme, but they pulled out at the last-minute, which saw their late replacement on the show, EMI labelmate the Sex Pistols, give their seminal interview." answer the question "How many people helped Queen set a 1976 attendance record?"

A:
no