Do the following two sentences have the same meaning?
At best , Davydenko 's supporters were naively ignorant of tennis etiquette ; at worst , they cheated - yet went without penality from umpire Lars Graf .
At best , Davydenko 's supporters were naively ignorant to tennis etiquette ; at worst , they cheated yet went unpenalised by umpire Lars Graf .

OPT:
A). no.
B). yes.
The answer is:
B).