Concerns can be about prospects.Logical formLearned from164 sentences. Experts may express concern.Logical formLearned from163 sentences. A woman may express concern.Logical formLearned from163 sentences. Concerns can be about costs.Logical formLearned from163 sentences. A concern can be for an environment.Logical formLearned from163 sentences. A commenter may express concern.Logical formLearned from163 sentences. Concerns can be about the global economy.Logical formLearned from163 sentences. Concerns can be profound.Logical formLearned from162 sentences. A world-city may voice concern.Logical formLearned from162 sentences. Concerns can be about a situation.Logical formLearned from162 sentences. A male may have concern.Logical formLearned from161 sentences. Concerns may pertain-to a commission.Logical formLearned from161 sentences. Concerns may pertain-to a group.Logical formLearned from161 sentences. Concerns can be about effects.Logical formLearned from160 sentences. A male can be a concern.Logical formLearned from160 sentences.