Hmm.... suits, which everyone knew came with a tie, both of which a certain Professor was obsessed with; Major and Minor Arcara, which sounded like the name of a constellation and spreads, maybe equal how the stars spread across the sky? Anyway, sounded like a legit answer to Sky. "I also agree Lex. We have to be studying something to do with Professor Airey." Yep. Although, she couldn't quite figure out what, seeing as this was Divination....... "Maybe some way to tell the future using the stars?" Made sense to her.