A smile can be beautiful.Logical formLearned from1 919 sentences. A smile can be on lips.Logical formLearned from1 856 sentences. A smile can be sad.Logical formLearned from1 838 sentences. A smile can be shy.Logical formLearned from1 633 sentences. A smile can be crooked.Logical formLearned from1 614 sentences. A male may have a smile.Logical formLearned from1 551 sentences. A smile can be sly.Logical formLearned from1 477 sentences. A smile can be weak.Logical formLearned from1 420 sentences. A smile can be genuine.Logical formLearned from1 326 sentences. A female may give a male a smile.Logical formLearned from1 232 sentences. A smile can be friendly.Logical formLearned from1 194 sentences. A smile can be gentle.Logical formLearned from1 182 sentences. A smile can be slow.Logical formLearned from1 164 sentences. A smile may widen.Logical formLearned from1 110 sentences. A smile can be nice.Logical formLearned from1 087 sentences.