cant hide graph in powerplay

[1342522727]

hi there
I have one powerplay report
jan04 feb04 mar 04
A 200 300 400
B 300 400 500
C 400 500 600

Now i am trying to implement in the same report the graph
but i want only one (lets say Row A graph )
(but not B AND C) i try hide when i hide B i cant see data
I mean i want all rows and coulms in my data filed, but only
graph of rows i choose (like in impromptu), plz advice
ThANKS
Bobby