--- /dev/null
+// 2. The player types: ``GO EAST``
+
+blockdiag {
+ default_shape = roundedbox;
+ orientation = portrait;
+ node_width = 80;
+
+ BC [label = "before_\ncottage"];
+ F [label = "forest"];
+ C [label = "clearing"];
+ TT [label = "top_of_\ntree"];
+
+ P [label = "player"];
+ B [label = "bird"];
+ N [label = "nest"];
+ T [label = "tree"];
+ TB [label = "branch"];
+
+ BC;
+ F -> P, B;
+ C -> N, T;
+ TT -> TB;
+}