Represent the given dialogue about an image, which is used for image retrieval: Q:what color is the train
A:grey
Q:how many cars are in the train
A:i can see 1
Q:is the building brick
A:no, is cement
Q:does the building have windows
A:yes
Q:does the building have smokestacks
A:can't tell
Q:how many windows does the building have
A:several
Q:are there any people in the photo
A:no people
Q:does it look like a modern train
A:no is very old
Q:does it look like a passenger train
A:yes
Q:are there any signs on the building
A:no signs


['images/VisDial/Train/VisDial_image_50222.jpg', 'images/VisDial/Train/VisDial_image_65311.jpg', 'images/VisDial/Train/VisDial_image_122625.jpg', 'images/VisDial/Train/VisDial_image_3258.jpg', 'images/VisDial/Train/VisDial_image_94979.jpg', 'images/VisDial/Train/VisDial_image_98940.jpg', 'images/VisDial/Train/VisDial_image_44177.jpg', 'images/VisDial/Train/VisDial_image_66936.jpg', 'images/VisDial/Train/VisDial_image_9102.jpg', 'images/VisDial/Train/VisDial_image_45974.jpg', 'images/VisDial/Train/VisDial_image_36290.jpg', 'images/VisDial/Train/VisDial_image_66100.jpg']