For the bellow tree, answer the following:

a$)$ Root

b$)$ Leaves

c$)$ Internal nodes

d$)$ Ancestors of $H$

e$)$ Descendants of $F$

f$)$ Indegree of node $F$

g$)$ Outdegree of node B

h$)$ Siblings of $H$

i$)$ Parent of $K$

j$)$ Children of $C$

k$)$ Height of the tree

I$)$ Height of node $G$

m$)$ Level of node $G$

n$)$ Level of node $A$

o$)$ Height of node $E$