Segment-based reference chain

Round 1 (go to game round)

B: A man on a railway platform, yellow edge on the platform.

B: He's wearing a gray t-shirt with a yellow logo on the back.

A: yes

Round 2 (go to game round)

A: that gray shirt guy yellow thing on the back?

B: Man on a train platform with a gray shirt, yes.

Round 3 (go to game round)

A: pink short lady again

B: Same man with gray shirt and yellow design on the back.

A: NO to that guy

B: I don't have the pink short lady