A surface may pertain-to the earth.Logical formLearned from9 458 sentences. A surface can be flat.Logical formLearned from5 213 sentences. A surface may pertain-to water.Logical formLearned from4 159 sentences. A surface can be smooth.Logical formLearned from3 476 sentences. A surface may pertain-to the moon.Logical formLearned from2 603 sentences. A surface may pertain-to a planet.Logical formLearned from2 226 sentences. A surface may pertain-to a planet.Logical formLearned from2 077 sentences. A surface may pertain-to water.Logical formLearned from1 942 sentences. A surface may pertain-to skin.Logical formLearned from1 790 sentences. Surfaces can be flat.Logical formLearned from1 362 sentences. A surface can be solid.Logical formLearned from1 181 sentences. A surface may pertain-to a male.Logical formLearned from1 043 sentences. A surface may pertain-to the sun.Logical formLearned from1 028 sentences. Surfaces can be smooth.Logical formLearned from1 020 sentences. A surface may pertain-to an ocean.Logical formLearned from907 sentences.