A pair of cigarettes or slim straights (essentially skinnies but not SUPER skinnies)

OR

A pair of slimmer bootcuts (not dramatic bellbottoms)

In denim or non-denim.

It's not a trick question. All answers are right. It depends entirely on your perception of fashion and style, which is extremely subjective.

Curious to hear your answers

ETA: See the BACKGROUND of both silhouettes in my comment below: