4.) how another character reacts to the main character
Explanation:
Indirect characterization on literature and artistic plays are everything that isn´t explicitely said by the narrator, or shown in the character, indirect characterization´s examples are what the character says, or the thoughts by him, also how other character react to him or say about him, everything that is shown about him, or said about him by the other characters and how they react to his actions is indirect characterization.
<em>Percy thinks that his mom is too good for Gabe, who's yelling for some bean dip. Percy is caught between fearing that Grover is onto something and trusting his mom that everything is normal. The fact that Percy feels such a sense of relief around Mom speaks to the strength of their relationship.</em>