Ark
  Gopher-wood
  An Interactive Fiction
  Release 1 / Serial number 150512 / Inform 7 build 6M22 (I6/v6.33 lib 6/12N) SD
  
  Ark
  You can see a bearded man here.
  
> >   Ark
  (Testing.)
  
  >[1] x japheth
  You can't see any such thing.
  
  >[2] x man
  You peer at him a bit more closely and realize that it's Japheth.
  
  >[3] look
  Ark
  You can see Japheth here.
  
  >[4] x japheth
  You see nothing special about Japheth.
  
> >