Which sentence below shows correct use of an em dash?

a professional candidate—different in everyone’s eyes—will always get the interview advantage.
a professional — candidate different in everyone’s — eyes will always get the interview-advantage.
a professional candidate will always — get the interview-advantage different in everyone’s eyes.
a professional-candidate will always get the interview advantage different in everyone’s eyes

What would be a good starter sentence for writing a review over hidden figures?

Which of these sentences would best express the main idea of a speech arguing that people should participate in a charity softball tournament? a) softball is a great way to get some much-needed exercise. eliminate b) the money raised by the tournament will local animal shelters. c) the tournament is a fun way to spend time with friends while a worthy cause. d) even if you don't have any softball experience, you can form a team and participate.

According to the police officer, the car accident could not have been avoided.