Represent the given dialogue about an image, which is used for image retrieval: Q:are there humans or goods on train
A:no
Q:how can you tell
A:i can't see any
Q:is train large
A:about 20 cars
Q:does it have any steam coming from top
A:more like black smoke
Q:is train in us or does it appear to be in another part of world
A:i can't tell
Q:is it nice day
A:looks sunny
Q:what color is train
A:black and yellow, engine
Q:is there conductors car visible
A:yes
Q:would you ride train
A:no, it's freight train
Q:is there any graffiti on cars
A:no that i can see


['images/VisDial/Train/VisDial_image_100430.jpg', 'images/VisDial/Train/VisDial_image_45714.jpg', 'images/VisDial/Train/VisDial_image_32140.jpg', 'images/VisDial/Train/VisDial_image_101282.jpg', 'images/VisDial/Train/VisDial_image_20756.jpg', 'images/VisDial/Train/VisDial_image_96420.jpg', 'images/VisDial/Train/VisDial_image_107722.jpg', 'images/VisDial/Train/VisDial_image_56254.jpg', 'images/VisDial/Train/VisDial_image_105298.jpg', 'images/VisDial/Train/VisDial_image_35663.jpg', 'images/VisDial/Train/VisDial_image_29830.jpg', 'images/VisDial/Train/VisDial_image_60966.jpg']