This should get test coverage to 93%.

tests/pitfall.chk

@@ -12,7 +12,7 @@ Seed set to 780351908
 
 You're in front of building.
 
-> in
+> enter building
 
 You are inside a building, a well house for a large spring.
 

tests/pitfall.log

@@ -1,7 +1,7 @@
 ## Death by pitfall
 n
 seed 780351908
-in
+enter building
 xyzzy
 s
 n

tests/weirdbird.chk

@@ -131,6 +131,10 @@ from east and west sides of the chamber.
 
 A cheerful little bird is sitting here singing.
 
+> enter water
+
+Where?
+
 > listen bird
 
 I'm afraid I don't understand.
@@ -144,10 +148,11 @@ I think I just lost my appetite.
 It's not hungry (it's merely pinin' for the fjords).  Besides, you
 have no bird seed.
 
+Are you trying to catch the bird?
+
 > cage bird
 
-The bird seemed unafraid at first, but as you approach it becomes
-disturbed and you cannot catch it.
+Please answer the question.
 
 Are you trying to catch the bird?
 

tests/weirdbird.log

@@ -23,6 +23,7 @@ read
 take rod
 w
 w
+enter water
 listen bird
 eat bird
 feed bird