Which sentence pattern describes the sentence below?

1.) Global warming is a real threat to the planet.

a.) S-V-O

b.)S-V-I-O

c.)S-V-N

d.)S-V-A

2.)Hybirds produces less pollution than conventional cars.

a.)S-V-O

b.)S-V-IO

c.)S-V-N

d.)S-V-A