"does gold know something that gold shares don't?" Does the news headline talk about price going down? No

"gold, silver edge higher as dollar takes step back" Does the news headline compare gold with any other asset? Yes

"copper falls on china demand worries; gold dips" Does the news headline talk about price going down? Yes

"Buy Comex gold at $1250-55/oz" Does the news headline talk about a general event (apart from prices) in the future? No

"gold plummets as manufacturing gauge sparks dollar rally" Does the news headline talk about price in the future? No

"gold down on session, but up on week" Does the news headline compare gold with any other asset?