by hana.kid Tue Sep 17, 2013 1:03 am
It's hard to see why (B) works at first, but if you change the penguins and ostriches to some birds, it might be helpful.
Stimulus:
B --> F
B --> W
B -s-> ~Fly
B -s-> use wings only to swim
B -s-> use wings only to run
(B):
C -s-> used only as decorations
C -s-> used only to tame lions
C -s-> ~sitting
C --> seat
C --> some support