Represent the given dialogue about an image, which is used for image retrieval: Q:how many people do you see
A:at least twenty
Q:can you tell what company the train belongs to
A:there is a logo on the front with the words "le creusot", it seems to be an old train
Q:can you see the engineer or conductor
A:no
Q:how many cars are on the train
A:4
Q:are the cars the same color as the engine
A:the engine is black and the cars are dark green
Q:what number is on the engine
A:241
Q:is there smoke coming from the engine
A:yes, but not from the stack, it's near the wheels
Q:how many rails can you see
A:2 sets
Q:is there a train on the other set
A:no it's empty
Q:is there a lot of gravel by the tracks
A:yes between the sets


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