A (water heating equipment) can be solar.Logical formLearned from18 sentences. A behavior can be solar.Logical formLearned from18 sentences. A composition can be solar.Logical formLearned from18 sentences. Origin may pertain-to a solar system.Logical formLearned from18 sentences. Solar wings may be installed.Logical formLearned from18 sentences. A total can be constituted-of-or-filled-with some solar arrays.Logical formLearned from18 sentences. An installation of solar panels may provide a quarter of power.Logical formLearned from18 sentences. A solar array may undergo a retraction.Logical formLearned from17 sentences. A solar activity can be violent.Logical formLearned from17 sentences. Wonders may pertain-to a solar system.Logical formLearned from17 sentences. An aspect can be solar.Logical formLearned from17 sentences. Bodies can be in an outer solar system.Logical formLearned from17 sentences. Solar energy may undergo applications.Logical formLearned from17 sentences. A (surface heating) can be solar.Logical formLearned from17 sentences. Demand can be for solar power.Logical formLearned from17 sentences.