Consider the data $x$ with the two features $x0$ and $x1$ and binary class $Y($red or blue$)$ as shown in the following graph.

You created a decision tree classifier model. What is the models first split criteria?

$x01\mathrm{.}5$

$x02\mathrm{.}5$

$x03\mathrm{.}5$

$x04\mathrm{.}5$

What is the Gini of the box that satisfies the split condition above? $($True for the condition$)$ Please round up at the $4$th digit below decimal.

Enter answer here