elect all the correct statements from the video about Unfair advantage

$[$mark all correct answers$]$

a$.$

it's not necessary to know your unfair advantage when you begin the LMC$.$

b$.$

Unfair advantage denotes a special feature that your competitors are not able to obtain.

c$.$

It is your competitive advantage.

d$.$

Uber's Unfair advantage was knowing which drive was coming and when they would arrive.