Represent the given dialogue about an image, which is used for image retrieval: Q:what color is the train
A:gray
Q:is it a long train
A:yes
Q:what color is the bridge
A:black
Q:are there boats on the river
A:npo
Q:how do you know it is carrying crude oil
A:no ------ there are several oil tankards attached to the train
Q:is it sunny
A:yes
Q:are there clouds in the sky
A:yes
Q:is it a close up picture
A:no
Q:can you see a town in the picture
A:no - just hills and valleys
Q:is the train heading right or to the left in the picture
A:right


['images/VisDial/Train/VisDial_image_26235.jpg', 'images/VisDial/Train/VisDial_image_33641.jpg', 'images/VisDial/Train/VisDial_image_78240.jpg', 'images/VisDial/Train/VisDial_image_97106.jpg', 'images/VisDial/Train/VisDial_image_88937.jpg', 'images/VisDial/Train/VisDial_image_9161.jpg', 'images/VisDial/Train/VisDial_image_68085.jpg', 'images/VisDial/Train/VisDial_image_27777.jpg', 'images/VisDial/Train/VisDial_image_20048.jpg', 'images/VisDial/Train/VisDial_image_120416.jpg', 'images/VisDial/Train/VisDial_image_91724.jpg', 'images/VisDial/Train/VisDial_image_10463.jpg']