. . \(\displaystyle \fbox{\text{Do you need this course?}}\;\;\rightarrow\;\;\fbox{\text{No}}\)
. . . . . . . . . . . .\(\displaystyle \downarrow\) . . . . . . . . . . . . . . . . . \(\displaystyle \downarrow\)
. . . . . . . . . .\(\displaystyle \fbox{\text{Yes}}\) . . . . . . . . . . . . . . . . \(\displaystyle \downarrow\)
. . . . . . . . . . . .\(\displaystyle \downarrow\) . . . . . . . . . . . . . . . . . \(\displaystyle \downarrow\)
. . . . . \(\displaystyle \fbox{\text{Are you sure?}}\;\rightarrow\;\:\fbox{\text{No}}\;\;\rightarrow\:\;\downarrow\)
. . . . . . . . . . . \(\displaystyle \downarrow\) . . . . . . . . . . . . . . . . . .\(\displaystyle \downarrow\)
. . . . . . . . . .\(\displaystyle \fbox{\text{Yes}}\) . . . . . . . . . . . . . . . . \(\displaystyle \downarrow\)
. . . . . . . . . . . \(\displaystyle \downarrow\) . . . . . . . . . . . . . . . . . .\(\displaystyle \downarrow\)
. . . . . .\(\displaystyle \fbox{Really\text{ sure?}}\;\;\rightarrow\;\;\fbox{\text{No}}\;\;\rightarrow\;\;\downarrow\)
. . . . . . . . . . . \(\displaystyle \downarrow\) . . . . . . . . . . . . . . . . . .\(\displaystyle \downarrow\)
. . . . . . . . . .\(\displaystyle \fbox{\text{Yes}}\) . . . . . . . . . . . . . . . . \(\displaystyle \downarrow\)
. . . . . . . . . . . \(\displaystyle \downarrow\) . . . . . . . . . . . . . . . . . .\(\displaystyle \downarrow\)
. . . . . . . \(\displaystyle \fbox{Bummer!}\) . . . . . . . . . . . .\(\displaystyle \fbox{\text{Drop it!}}\)