"gold, copper prices head higher" Does the news headline talk about price? Yes

"india : rising gold price vindicates rbi__ investment plan" Does the news headline talk about price going down? No

"Gold futures mark lowest finish since early February" Does the news headline talk about price staying constant? No

"april gold down $15.70 at $1,695.60/oz" Does the news headline talk about price? Yes

"Gold rallies 1% after explosions in Brussels" Does the news headline talk about price in the future? No

"Gold prices gain in Asia as dollar trends lower" Does the news headline talk about a general event (apart from prices) in the future?