Draw the decision tree using the given training samples where black ones are class $1$ samples and red ones are class $2$ samples.

Class $1$ Samles$=[0,1],[0,3],[1,2],[1,3],[2,3]$

Class $2$ Samples $=[0,2],[3,3],[3,4],[4,4],[5,5]$

Please solve step by step. I don't want python code or etc.