Which sentence describes an internal conflict? Joe made his way to the kitchen to sneak a cookie, but when he got there, they were already gone!

Joe's brother is constantly turning off the bedroom light even though he knows Joe is afraid of the dark.

As Joe was walking down the hallway, the fear inside of him made him freeze and he couldn't go on.

Joe's mother makes Joe wash his hands before dinner even if they aren't dirty. Now his hands are dry and hurt!