(Currency exchange rates) can be artificial.Logical formLearned from9 sentences. An affair can be artificial.Logical formLearned from9 sentences. A male may be fitted with an artificial leg.Logical formLearned from9 sentences. An artificial heart can be into a man.Logical formLearned from9 sentences. A (heart experiment) can be artificial.Logical formLearned from9 sentences. Trials can be with an artificial heart.Logical formLearned from9 sentences. A game can be on artificial turf.Logical formLearned from9 sentences. An incubator can be artificial.Logical formLearned from9 sentences. A temperature can be artificial.Logical formLearned from9 sentences. A field can be an artificial turf.Logical formLearned from9 sentences. A pump can be artificial.Logical formLearned from9 sentences. A (rain forest) can be artificial.Logical formLearned from9 sentences. An artificial lake may be created by a dam.Logical formLearned from9 sentences. A respiratory system can be artificial.Logical formLearned from9 sentences. A fashion can be artificial.Logical formLearned from9 sentences.