|--- length (cm) <= 2.45
| |--- class: 0
|--- length (cm) > 2.45
| |--- width (cm) <= 1.75
| | |--- material = wood
| | | |--- class: 1
| | |--- material = aluminium
| | | |--- class: 2
| |--- width (cm) > 1.75
| | |--- material = iron
| | | |--- class: 3
| | |--- material = wood
| | | |--- class: 4

What is class for length 1.30cm?
