Which sentence describes an internal conflict?
• As Joe was walking down the hallway, the fear inside of him made him freeze and he couldn't go on.
• 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.
• Joe's mother makes Joe wash his hands before dinner even if they aren't dirty. Now his hands are dry and hurt