put a list into a tree

[korotana]

can someone please help me with this question
the following is what i want to happen but i cant figure out how to do it...


?- list2tree([7, 5, 1, 3, 6, 9] , T).

T = bst(7, bt(5, bst(1, nil, bst(3, nil, nil)), bst(6, nil, nil)), bst(9, nil, nil));