are classes and the edges represent classes that are shared by someone.

$\backslash$table$[[$Iceman$,$Skiing, Astrology, Astronomy$],[$Daredevil$,$Astronomy, Skiing$],[$Magneto$,$Astrology, Business$],[$Hulk$,$Metalwork, Business, English$],[$Gambit$,$Underwater Basket Weaving, Astronomy, English$],[$Joker$,$Business, Skiing$],[$Nemo$,$Spanish, Skiing, Underwater Basket Weaving$]]$

In the following table, indicate in which final exam time each class could be placed $($i$.$e$.1,2,$ etc$).$

$\begin{array}{cc}?& \text{S}\text{k}\text{i}\text{i}\text{n}\text{g}\\ ?& Business\\ ?& \text{A}\text{s}\text{t}\text{r}\text{o}\text{n}\text{o}\text{m}\text{y}\\ ?& \text{E}\text{n}\text{g}\text{l}\text{i}\text{s}\text{h}\\ ?& \text{S}\text{p}\text{a}\text{n}\text{i}\text{s}\text{h}\\ ?& Astrology\\ ?& \text{U}\text{n}\text{d}\text{e}\text{r}\text{w}\text{a}\text{t}\text{e}\text{r}\text{B}\text{a}\text{s}\text{k}\text{e}\text{t}\text{W}\text{e}\text{a}\text{v}\text{i}\text{n}\text{g}\\ ?& \text{M}\text{e}\text{t}\text{a}\text{l}\text{w}\text{o}\text{r}\text{k}\end{array}$