I need help with the 3.19.5 super karel cleanup challenge on codehs. every code i've tried so far is correct but doesn't do all of the worlds.

Which action is good business etiquette? a. switching your cell phone off before you enter a meeting b. keeping your cell phone on low volume before you enter a meeting c. setting a pleasant ring tone on your cell phone before you enter a meeting d. setting a standard ringtone on your cell phone before you enter a meeting

Which of the following is not a symptom of chronic fatigue syndrome

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