Which sentence is an example of faulty parallelism?

My grandmother not only planted a garden but also a bed of flowers.
The flowers my grandmother planted are azaleas, marigolds, and peonies.
I believe that gardening is a good hobby for some people but that it would not be a fun hobby for me.
My grandmother enjoys planting seeds, watering plants, and weeding the garden.

Question

Which sentence is an example of faulty parallelism?
 	
	My grandmother not only planted a garden but also a bed of flowers.
	The flowers my grandmother planted are azaleas, marigolds, and peonies.
	I believe that gardening is a good hobby for some people but that it would not be a fun hobby for me.
	My grandmother enjoys planting seeds, watering plants, and weeding the garden.

anonymous · Answer

What do you think the answer is?