A user may select a button.Logical formLearned from11 sentences. A button can be in a bar.Logical formLearned from11 sentences. Button can be on the right.Logical formLearned from11 sentences. A button may pertain-to a login.Logical formLearned from11 sentences. A (radio button) may be checked.Logical formLearned from11 sentences. A (call button) can be red.Logical formLearned from11 sentences. Double click can be on a button.Logical formLearned from11 sentences. A button can be on a keypad.Logical formLearned from11 sentences. The right may pertain-to buttons.Logical formLearned from11 sentences. A button can be metallic.Logical formLearned from11 sentences. A person may press a (release button).Logical formLearned from11 sentences. A mouse can be with some buttons.Logical formLearned from11 sentences. A button can be with a mouse.Logical formLearned from11 sentences. Buttons can be integrated.Logical formLearned from11 sentences. A button may undergo pushings.Logical formLearned from11 sentences.