Update: door2.nal: typo fix, this should be a term not a question var, though the example wasn't affected in this case
<<$1 --> [locked]> ==> <(<$1 --> [centered]> &/ ^pick) =/> <$1 --> [open]>>>.
<door2 --> [unlocked]>.
1000
-<?1 =/> <?door2 --> [open]>>?
+<?1 =/> <door2 --> [open]>>?
//expected: Answer: <(<door2 --> [centered]> &/ ^go) =/> <door2 --> [open]>>. Truth: frequency=1.000000, confidence=0.810000
<door2 --> [centered]>. :|:
<door2 --> [open]>! :|:
