What is a to-do list?
A to-do list is an organizational method used to track things that need to be done.  Typically an item is removed from the list after it is accomplished but sometimes to-do lists function to allow someone to prioritize their activities.
<START_INST>What is a to-do list?<END_INST><START_CTX><END_CTX><START_A>A to-do list is an organizational method used to track things that need to be done.  Typically an item is removed from the list after it is accomplished but sometimes to-do lists function to allow someone to prioritize their activities.<END_A>