dialogue: Hedvig: Argh. . . I feel terrible, I keep sneezing and my eyes are all watery, what's wrong with me? 
  Herculie: Wow, you're not dying are you, it looks like you have a cold, you should take some medicine. 
  Hedvig: I don't think it's a cold, I feel fine if I move a few feet away from my desk. 
  Herculie: Maybe we should put you into quarantine, ha ha, jokes aside, I think you might have an allergy. 
  Hedvig: An allergy? I never thought about that, I don't think I'm allergic to pollen though and I'm desensitized to bee stings after being stung so many times, Hmm. . . 
  Herculie: Ow! Why did you chuck that peanut at me? 
  Hedvig: Just checking if you're allergic to peanuts, I guess not. 
  Herculie: Not funny! I could have gone into Anaphylactic Shock. 
  Hedvig: Okay, my bad, how about dust? This office is full of it. 
  Herculie: Yes the whole is office is dusty yet I only feel affected near our desks! 
  Mr. Snuffle: Meow meow meow. 
  Hedvig: You brought your cat into the office? ! 
  Herculie: Yes, it's Mr. Snuffle's birthday today, I didn't want him to be alone on his special day! 
  Hedvig: ACHOO! Argh, put it away, ACHOO! 
  Herculie: I guess we found the problem, your allergic to cats! 
summary: Hedvig feels terrible, and Herculie thinks Hedvig might get an allergy. Herculie tries to find out what triggers that, and it turns out that Hedvig is allergic to Herculie's cat.