A binary tree has the following preorder and inorder traversals.

Preorder: $[7,3,2,5,8,9]$

Inorder: $[2,3,5,7,8,9]$

Which of the following is CORRECT about this tree?

Points will be deducted for each incorrect response; however, negative scoring will not be applied.

Question $2$Select one or more:

$3$ has no left child.

$8$ has a left child.

External nodes of this tree are $2,5,9$

In this tree, nodes $5$ and $9$ are siblings.

$9$ is the left child of $8.$

The height of the tree is $3.$

In this tree, nodes $3$ and $8$ are siblings.

$8$ is a leaf node.

Internal nodes of this tree are $7,3,8$

$2$ is the left child of $3.$