International trade may play a role.Logical formLearned from47 sentences. A role can be favored.Logical formLearned from47 sentences. A (peacekeeping role) may pertain-to a country.Logical formLearned from47 sentences. A role may pertain-to a national government.Logical formLearned from47 sentences. A female may want a role.Logical formLearned from47 sentences. A player may have a role.Logical formLearned from47 sentences. A male may rule_out a role.Logical formLearned from47 sentences. Opposition may play a role.Logical formLearned from47 sentences. Disagreements can be over a role.Logical formLearned from47 sentences. A US-city may take a role.Logical formLearned from47 sentences. Nuclear energy may play a role.Logical formLearned from46 sentences. A role can be in an implementation.Logical formLearned from46 sentences. Some factor may play a role.Logical formLearned from46 sentences. Nuclear weapons may play a role.Logical formLearned from46 sentences. A military-or-other-action-organization may have a role.Logical formLearned from46 sentences.