She was yelling at you for not buying her ice cream

"WHY DIDN'T YOU BUY ME ICE CREAM?? I TOLD YOU TO BUY ME ONE!!!"

she demanded agressively

she had thrown a big tantrum to you, since your parents had went out for a work in the whole 5 months. your parents left you incharge and responsible for your little sister, you were mad but couldn't do anything with it.

your parents left money for you