A (center button) can be on a (control pad).Logical formLearned from419 sentences. A button may pertain-to a US-president.Logical formLearned from377 sentences. A person may have a button.Logical formLearned from353 sentences. A button can be black.Logical formLearned from344 sentences. A person may push buttons.Logical formLearned from332 sentences. A button may be clicked.Logical formLearned from323 sentences. A button may be labelled.Logical formLearned from315 sentences. A male may press a button.Logical formLearned from311 sentences. Buttons can be black.Logical formLearned from305 sentences. A back button can be on a browser.Logical formLearned from304 sentences. Buttons may pertain-to persons.Logical formLearned from300 sentences. A button may pertain-to persons.Logical formLearned from299 sentences. A button can be clear.Logical formLearned from292 sentences. A button may pertain-to coupon.Logical formLearned from284 sentences. A set can be constituted-of-or-filled-with buttons.Logical formLearned from278 sentences.