"gold ends under $450; copper sinks" Does the news headline talk about price? Yes

"gold futures down $1.70 at $1.545.50 an ounce" Does the news headline talk about price staying constant? No

"gold inches up on weaker dollar; improved risk appetite weighs" Does the news headline talk about price in the past? Yes

"India__ gold buyers see prices surge in the run-up to Diwali" Does the news headline talk about price staying constant? No

"april gold climbs $1.90 to $688.60/oz after $691.80 high" Does the news headline talk about price staying constant? No

"gold declines as investors await bernanke" Does the news headline talk about price?