Which nodes are leaves?

b$.$ Which node is the root?

c$.$ What is the parent of node C$?$

d$.$ Which nodes are children of C$?$

e$.$ Which nodes are ancestors of E$?$

f$.$ Which nodes are descendants of E$?$

g$.$ What are the right siblings of D and E$?$

h$.$ Which nodes are to the left and to the right of G$?$

i$.$ What is the depth of node C$?$

j$.$ What is the height of node C$?$