human: <image>
What is at the top of the stairs?
Answer the question using a single word or phrase.

gpt: bridge

human: Is the train at a station?

gpt: yes

human: Is the train moving?

gpt: yes

human: Is anyone using the stairs?

gpt: no

human: Is this an express train?

gpt: yes

human: Can you cross over the trains?

gpt: yes

human: What color is the stripe on the train?

gpt: red

human: What color is the train?

gpt: gray