A train may follow a route.Logical formLearned from22 sentences. A (freight train) may undergo a derailment.Logical formLearned from22 sentences. A train can be dramatic.Logical formLearned from22 sentences. Trains can be in a world-city.Logical formLearned from22 sentences. An engineer can be on a train.Logical formLearned from22 sentences. Trains may carry explosives.Logical formLearned from22 sentences. A train may enter a tunnel.Logical formLearned from22 sentences. A last train may pertain-to a day.Logical formLearned from22 sentences. A (train station) can be regional.Logical formLearned from22 sentences. A head-on collision can be between a (passenger train).Logical formLearned from22 sentences. Some persons can be on (commuter trains).Logical formLearned from22 sentences. A train may slam into a (propane tanker truck).Logical formLearned from22 sentences. (Train bombs) may pertain-to a world-city.Logical formLearned from22 sentences. A plane can be in trains.Logical formLearned from22 sentences. A mob may set fire to a (train car).Logical formLearned from22 sentences.