Correct the error of faulty parallelism in the following sentence.

Not only was Jill very ill from lack of sleep, she was malnourished from a poor diet.

Correct the error of faulty parallelism in the following sentence.

These days getting a good job depends almost as much on whom one knows as to have knowledge in your field.

Correct the error of faulty parallelism in the following sentence.

John's choice was either to rescue the bird or allowing it to fend for itself.