An (electricity supply) may contribute some times.Logical formLearned from8 sentences. A death may contribute to a decision.Logical formLearned from8 sentences. A ban may contribute to a free movement of goods.Logical formLearned from8 sentences. A female may contribute to a (family income).Logical formLearned from8 sentences. Weakness may contribute to a decline.Logical formLearned from8 sentences. A lane may contribute to a stampede.Logical formLearned from8 sentences. Activism may contribute to an end of white-minority rule.Logical formLearned from8 sentences. Factors may contribute to a genocide.Logical formLearned from8 sentences. Some countries may contribute to a (war effort).Logical formLearned from8 sentences. A haze may contribute to a disaster.Logical formLearned from8 sentences. Photographers may contribute to a crash.Logical formLearned from8 sentences. A person may contribute some assists.Logical formLearned from8 sentences. A country may contribute dlrs.Logical formLearned from8 sentences. Nations may contribute to a (peacekeeping force).Logical formLearned from8 sentences. A country may contribute forces to a rapid-reaction force.Logical formLearned from8 sentences.