to find out (to discover)
A: How did you feel when you found out that you had won the lottery?
B: Oh, I couldn’t believe it at first. It was like a dream come true!
A: When my dad found out that I had taken his car yesterday without asking him, he was really mad.
B: How did he find out?
A: My little sister told him.
Can you make a sentence using to find out?