Sara: I want to paint my hair black
Tracy: Awesome!
Frederick: I think blonde suits you better
Sara: I'm tired of being blonde
Sara: And I want to see if people will treat me differently 
Tracy: What do you mean?
Sara: I think I look to girly 
Sara: Sometimes people don't take me seriously 
Tracy: Really?
Tracy: I had no idea
Sara: But I don't know if it's about the hair 
Sara: Or because I'm a woman
Sara: I'll test my hypothesis  
Sara's blonde and she thinks that people don't take her seriously because of that. She wants to paint her hair black for a change this time.