Task: Sentence Ordering
Input (English): Steps: (1) Put water in an ice cube tray (2) Put the ice cube tray in the freezer (3) Take the ice cube tray out of the freezer (4) Bend the tray slightly to get the ice cubes out and into a drink.  
Where does the following step fit into the given list of steps: Wait 5 to 6 hours 
Output (English):  After step 2.