Segment-based reference chain

Round 1 (go to game round)

B: guy on right green tshirt near train

A: Hi, no, woman pulling suitcase beside Marta train

Round 3 (go to game round)

B: guy on right?

B: yes

Round 5 (go to game round)

A: Man beside pole

B: 2 trains to the left?

A: Yes

B: yes