The government said FirstEnergy Nuclear determined that a contractor had established an unprotected high-speed computer connection to its corporate network that allowed the " Slammer " infection to spread internally .
It said FirstEnergy determined that a contractor had established an unprotected computer connection to its corporate network that allowed the so-called ''Slammer ' ' worm to spread internally .
(See options at the end). If the first sentence is true, is the second one also true?
Available choices:
a). no;
b). yes;
b).