Read the sentences. Some scientists are for a manned mission to Mars. Some scientists are against a manned mission to Mars. There is a lot for people to think about.

What is the best way to revise the sentences for fluency and word choice?

Some scientists are for a manned mission to Mars, while others are against a manned mission to Mars. People should think about it.
Since scientists have stated both pros and cons for a manned mission to Mars, there are a number of factors for people to consider.
There are pros for a manned mission to Mars. There are cons for a manned mission to Mars. There is a lot for people to think about a manned mission to Mars.
When it comes to a manned mission to Mars, people should take some time to think about it because some scientists feel there are pros, while other scientists feel there are cons.

I think the answer would be B or the second choice you put because it sounds fluent and the second best option would be 4 but I dont think its 4 because there are some words in it that are simply unnecessary.

Explanation:

in this passage from chapter 6 of "animal farm", by george orwell, what the author is ridiculing in this passage is the frivolity of some rules.

clover, the mare, believes she remembers that the fourth commandment forbade sleeping in beds because it was something that humans did. snowball, napoleon, and the pigs are brain-workers who look after the welfare of the farm. they are the obvious leaders because they are smart, and so they are entitled to eat the best food and sleep in beds. it is squealer, who says these lines making the difference between sleeping with sheets, what humans do, and sleeping in beds, what pigs do. the unwillingness to question authority makes the oppressed to obey without thinking.

v