Proceeds can be from a sale of gems.Logical formLearned from2 sentences. Gems can be at emporiums.Logical formLearned from2 sentences. (Gem shows) can be international.Logical formLearned from2 sentences. (Gem merchants) may attend a show.Logical formLearned from2 sentences. Gems may stand in demand.Logical formLearned from2 sentences. Gems may undergo marketing.Logical formLearned from2 sentences. A precious gem can be in a (treasure house) of chinese culture.Logical formLearned from2 sentences. (Gem products) can be quality.Logical formLearned from2 sentences. (Gem stone tanzanite) may undergo a mining.Logical formLearned from2 sentences. A (gem industry) can be finished.Logical formLearned from2 sentences. Fixed prices can be at a (gem show).Logical formLearned from2 sentences. (Gem traders) may come from a country.Logical formLearned from2 sentences. A color may pertain-to a gem.Logical formLearned from2 sentences. A government may introduce some (gem mining blocks).Logical formLearned from2 sentences. Gems may be doed.Logical formLearned from2 sentences.