Which three examples are likely to be the result of a paid partnership with a brand?
a.A lifestyle vlogger posts videos of his stay at a leading resort.
b.Before taking off on her first flight, a teenager posts a picture of the scene outside her plane window, on which the airline logo can clearly be seen.
c.A well-known actor's post encourages followers to purchase a particular hair product.
d.A chef's video blogs shows him using a particular brand of cookware, on which the brand name is clearly visible.