A mission may replace a force.Logical formLearned from6 sentences. O-rings may be replaced.Logical formLearned from6 sentences. A person may replace sampras.Logical formLearned from6 sentences. Surgeons may replace a hip.Logical formLearned from6 sentences. A filter may be replaced.Logical formLearned from6 sentences. A male may replace fullback.Logical formLearned from6 sentences. A world-city may replace a franc with a currency.Logical formLearned from6 sentences. War may be replaced by a calm.Logical formLearned from6 sentences. A station may replace a (relay station).Logical formLearned from6 sentences. A president may replace a (defense minister).Logical formLearned from6 sentences. An agreement may replace an accord.Logical formLearned from6 sentences. Sunshine may replace rain of some days.Logical formLearned from6 sentences. Persons may replace an experience.Logical formLearned from6 sentences. A president may replace a minister.Logical formLearned from6 sentences. Coups may replace rule.Logical formLearned from6 sentences.