A button can be on an elevator.Logical formLearned from19 sentences. A button can be on a page.Logical formLearned from19 sentences. A (play button) can be green.Logical formLearned from19 sentences. A person may tap a button.Logical formLearned from19 sentences. A button may pertain-to a phone.Logical formLearned from19 sentences. Buttons can be easy.Logical formLearned from19 sentences. Buttons may make.Logical formLearned from19 sentences. A (button layout) can be intuitive.Logical formLearned from19 sentences. A button can be split.Logical formLearned from19 sentences. A person may have a button.Logical formLearned from19 sentences. A button may be located.Logical formLearned from19 sentences. Buttons can be on the left.Logical formLearned from18 sentences. A person may wear buttons.Logical formLearned from18 sentences. Buttons can be plain.Logical formLearned from18 sentences. A (print button) may pertain-to a browser.Logical formLearned from18 sentences.