Represent the given dialogue about an image, which is used for image retrieval: Q:what color is the bus
A:it is red
Q:what color is the pillar
A:it is grey
Q:any people around
A:yes, a couple
Q:is there any building
A:yes
Q:are the people male or female
A:i can't tell
Q:what color is the building
A:i think it's grey also
Q:can you see a bus driver
A:no
Q:can you see any other cars
A:no, but i see other buses
Q:can you see any trees
A:yes
Q:how many buses
A:i see 3 others


['images/VisDial/Train/VisDial_image_29579.jpg', 'images/VisDial/Train/VisDial_image_86257.jpg', 'images/VisDial/Train/VisDial_image_56359.jpg', 'images/VisDial/Train/VisDial_image_79412.jpg', 'images/VisDial/Train/VisDial_image_15569.jpg', 'images/VisDial/Train/VisDial_image_102370.jpg', 'images/VisDial/Train/VisDial_image_46197.jpg', 'images/VisDial/Train/VisDial_image_42934.jpg', 'images/VisDial/Train/VisDial_image_77870.jpg', 'images/VisDial/Train/VisDial_image_3345.jpg', 'images/VisDial/Train/VisDial_image_103322.jpg', 'images/VisDial/Train/VisDial_image_17809.jpg']