Represent the given dialogue about an image, which is used for image retrieval: Q:how many trains are involved
A:maybe 2 with multiple cars
Q:what color are the trains
A:the photo is black and white
Q:is this an older photo
A:this seems to be a historical photo
Q:how many people are around
A:at least 50
Q:do you see any trees
A:a couple
Q:do they have leaves on them
A:no
Q:is there snow on the ground
A:no
Q:do you see a building
A:there is a bridge in the background
Q:how bad is the wreck
A:i see about 6 train cars, some off the track but all upright
Q:what season do you think this is
A:late fall or early winter


['images/VisDial/Train/VisDial_image_24324.jpg', 'images/VisDial/Train/VisDial_image_122815.jpg', 'images/VisDial/Train/VisDial_image_57277.jpg', 'images/VisDial/Train/VisDial_image_45167.jpg', 'images/VisDial/Train/VisDial_image_1295.jpg', 'images/VisDial/Train/VisDial_image_6645.jpg', 'images/VisDial/Train/VisDial_image_19595.jpg', 'images/VisDial/Train/VisDial_image_70580.jpg', 'images/VisDial/Train/VisDial_image_58792.jpg', 'images/VisDial/Train/VisDial_image_45664.jpg', 'images/VisDial/Train/VisDial_image_4167.jpg', 'images/VisDial/Train/VisDial_image_38029.jpg']