Vinay's hobbies are to swim, to run and to ride a bicycle. Why is this sentence wrong?

Question

Answer 1

correct sentence should be
Vinay's hobbies are swimming, running and riding bicycles

Answer 2

correct sentence should be
Vinay's hobbies are swimming, running and riding bicycles

Answer 3

parallelism mistake ride a bike should come first

Answer 4

parallelism mistake ride a bike should come first

Answer 5

the sentences mentions the hobbies of vinay which should be nouns, like swimming, running etc.

but here it is described as a verb which is wrong

Answer 6

the sentences mentions the hobbies of vinay which should be nouns, like swimming, running etc.

but here it is described as a verb which is wrong