Answer
4 possible outcomes
Work Step by Step
$\ \ \ \ \ \ \ \ \ \ \ \ \ \nearrow\ \ \ \ \ \overline{\underline{|\ 1\ |}}$
$\ \ \ \ \ \ \ \ \ \ \ \ \ \longrightarrow\ \ \ \overline{\underline{|\ 2\ |}}$
$\overline{\underline{|\ spin\ |}}$
$\ \ \ \ \ \ \ \ \ \ \ \ \ \longrightarrow\ \ \ \overline{\underline{|\ 3\ |}}$
$\ \ \ \ \ \ \ \ \ \ \ \ \ \searrow\ \ \ \ \ \overline{\underline{|\ 4\ |}}$
