A group may carry_out research.Logical formLearned from22 sentences. (Maintenance work) may be carry_outed.Logical formLearned from22 sentences. A group may carry_out (suicide bombings).Logical formLearned from22 sentences. A country may carry_out a strike.Logical formLearned from22 sentences. A (feasibility study) may be carry_outed.Logical formLearned from22 sentences. (Suicide bombings) may be carry_outed.Logical formLearned from22 sentences. Bombers may carry_out attacks.Logical formLearned from22 sentences. Guerrillas may carry_out attacks.Logical formLearned from22 sentences. An attack may be carry_outed by gunmen.Logical formLearned from22 sentences. An attack may be carry_outed by paramilitaries.Logical formLearned from22 sentences. A country may carry_out dozens of attacks.Logical formLearned from22 sentences. An army may carry_out searches.Logical formLearned from22 sentences. Militants may carry_out attacks.Logical formLearned from22 sentences. A person may carry_out an operation.Logical formLearned from22 sentences. Aircraft may carry_out an attack.Logical formLearned from22 sentences.