Products may undergo a conversion.Logical formLearned from13 sentences. Ore may undergo a conversion.Logical formLearned from13 sentences. Conversions can be common.Logical formLearned from13 sentences. Conversion can be to (radar picket ship).Logical formLearned from13 sentences. An (energy conversion) can be thermal.Logical formLearned from13 sentences. Tribes may undergo a conversion.Logical formLearned from13 sentences. Conversion can be to land.Logical formLearned from13 sentences. Ships may undergo a conversion.Logical formLearned from13 sentences. Lands may undergo a conversion.Logical formLearned from13 sentences. Reasons can be for a conversion.Logical formLearned from13 sentences. Arable land may undergo a conversion.Logical formLearned from13 sentences. A conversion can be open.Logical formLearned from13 sentences. Formats may undergo a conversion.Logical formLearned from13 sentences. Conversions may be required.Logical formLearned from13 sentences. Protein may undergo a conversion.Logical formLearned from13 sentences.