A (metal mercury) can be poisonous.Logical formLearned from13 sentences. (Metal barriers) can be blue.Logical formLearned from13 sentences. (Metal prices) may decline.Logical formLearned from13 sentences. Traces may pertain-to a metal.Logical formLearned from13 sentences. A precious metal may benefit from a status.Logical formLearned from13 sentences. A fall can be in (base metal prices).Logical formLearned from13 sentences. A metal can be frozen.Logical formLearned from13 sentences. Men may be armed with (metal bars).Logical formLearned from13 sentences. Precious metals may undergo a search.Logical formLearned from13 sentences. Prices can be constituted-of-or-filled-with (base metals).Logical formLearned from13 sentences. A (metal output) may pertain-to a country.Logical formLearned from12 sentences. A (metal producer) may pertain-to a country.Logical formLearned from12 sentences. A (metal industry) can be basic.Logical formLearned from12 sentences. Falls can be in metals.Logical formLearned from12 sentences. A metal can be divalent.Logical formLearned from12 sentences.