human: <image>
What is the train number?
Answer the question using a single word or phrase.

gpt: 3417

human: What is the train going through?

gpt: tunnel

human: Where is the window located?

gpt: all over

human: Are there parking meters in the image?

gpt: no

human: Is this an old train?

gpt: yes

human: Is this photo in color?

gpt: no

human: Is this a racing road bike?

gpt: no

human: What color is the front of the train?

gpt: gray

human: What color is the grass pictured?

gpt: gray