Problem: Does "In some respects zinc is chemically similar to magnesium: its ion is of similar size and its only common oxidation state is +2." answer the question "What is the most common zinc ore?"

A: no

Problem: Does "Air China was chosen by the Beijing Committees of the Olympic Game as the designated Olympic torch carrier in March 2008 for its long-standing participation in the Olympic cause." answer the question "What color was the chartered plane?"

A: no

Problem: Does "They were all destroyed later except for one example, the so-called Triclinio Leoniano of which a copy was made in the 18th century." answer the question "During which centuries did ROme fall under the influence of Byzantine art?"

A:
no