Someone may press a button.Logical formLearned from15 sentences. A button may push.Logical formLearned from15 sentences. A left button can be on a mouse.Logical formLearned from15 sentences. A button can be on a door.Logical formLearned from15 sentences. A button may be added.Logical formLearned from15 sentences. A button can be on a bar.Logical formLearned from15 sentences. A (start button) may be pressed.Logical formLearned from15 sentences. A mouse can be with buttons.Logical formLearned from15 sentences. A button can be on a menu.Logical formLearned from15 sentences. Buttons can be commemorative.Logical formLearned from15 sentences. (Campaign buttons) may pertain-to a US-president.Logical formLearned from15 sentences. A button can be visible.Logical formLearned from15 sentences. A button can be to the right.Logical formLearned from15 sentences. Buttons can be amazing.Logical formLearned from15 sentences. A male may press a (play button).Logical formLearned from15 sentences.