Choose the option that better compares the following sentences: (1) Scientists claim that the drug may have lasting side effects on patients. (2) T...

Choose the option that better compares the following sentences: (1) Scientists claim that the drug may have lasting side effects on patients. (2) The drug is believed to have lasting side effects on patients.

They can be used interchangeably with virtually no impact on the interlocutor.
Writers who want to omit the agent tend to prefer the first structure over the second.
The second one is more emphatic, since it shifts the interlocutor's attention to the agent.
Journalists who want to use an argument from authority tend to prefer the first one, since the second does not attribute the statement to trustworthy professionals.
Both statements contain a future time structure, with a simple aspect.
a) 1, 2, and 4 are correct.
b) 2, 3, and 5 are correct.
c) 1, 3, and 4 are correct.
d) 1, 2, and 5 are correct.
e) All statements are correct.