"gold rate today: gold, silver up in morning trade" Does the news headline compare gold with any other asset? Yes

"gold futures rally to a fresh mid-1988 high near $458" Does the news headline talk about price in the past? Yes

"mercury pollution is way up. one huge culprit? gold mines" Does the news headline talk about price staying constant? No

"Gold edges off one-week low as Greece news knocks stocks" Does the news headline talk about price in the past? Yes

"gold futures decline on lower global trend" Does the news headline talk about a general event (apart from prices) in the future? No

"gold prices rise, but end lower for the week" Does the news headline talk about price going down?