The Delaware River is a border not only for Philadelphia but also divides Pennsylvania from New Jersey.

Which revision corrects the faulty parallelism below?


The Delaware River not only borders Philadelphia but also divides Pennsylvania and New Jersey.


The Delaware River is a divider between Pennsylvania and New Jersey while also bordering Philadelphia.


The Delaware River not only borders Philadelphia but also is a divider between Pennsylvania and New Jersey.


The Delaware River divides Pennsylvania and New Jersey as well as bordering Philadelphia.