Represent the given dialogue about an image, which is used for image retrieval: Q:is the train long
A:yes
Q:is it a passenger train
A:sorry it is engine only
Q:is it daytime
A:yes
Q:is this a city area
A:i can't sure
Q:is the building red
A:yes
Q:is the train old
A:yes
Q:is the building old
A:i think so
Q:how many sets of tracks
A:1 set
Q:is there gravel
A:no
Q:is there grass
A:n


['images/VisDial/Train/VisDial_image_93534.jpg', 'images/VisDial/Train/VisDial_image_30735.jpg', 'images/VisDial/Train/VisDial_image_51338.jpg', 'images/VisDial/Train/VisDial_image_9624.jpg', 'images/VisDial/Train/VisDial_image_96949.jpg', 'images/VisDial/Train/VisDial_image_96766.jpg', 'images/VisDial/Train/VisDial_image_109970.jpg', 'images/VisDial/Train/VisDial_image_98773.jpg', 'images/VisDial/Train/VisDial_image_67480.jpg', 'images/VisDial/Train/VisDial_image_65619.jpg', 'images/VisDial/Train/VisDial_image_17340.jpg', 'images/VisDial/Train/VisDial_image_44435.jpg']