Represent the given dialogue about an image, which is used for image retrieval: Q:are there people in the picture
A:yes
Q:can you tell how many
A:at least six, the photo cuts them off
Q:what are the people doing
A:they are waiting in line for a train
Q:what time of the day is it in the photo
A:you can't tell
Q:is there anything specifically interesting that stands out in the photo
A:the trains are very vibrant colored
Q:are there any visible signs in the train station
A:yes, waterloo underground station
Q:can you describe the colors of the train besides blue
A:the doors are bright orange
Q:how long is the line the passengers are in
A:it is cut off but appears moderately busy
Q:is there only 1 line or multiple
A:1 that i can see
Q:are the passengers carrying anything interesting
A:no


['images/VisDial/Train/VisDial_image_49065.jpg', 'images/VisDial/Train/VisDial_image_8967.jpg', 'images/VisDial/Train/VisDial_image_20858.jpg', 'images/VisDial/Train/VisDial_image_52782.jpg', 'images/VisDial/Train/VisDial_image_114822.jpg', 'images/VisDial/Train/VisDial_image_106867.jpg', 'images/VisDial/Train/VisDial_image_102187.jpg', 'images/VisDial/Train/VisDial_image_108636.jpg', 'images/VisDial/Train/VisDial_image_86229.jpg', 'images/VisDial/Train/VisDial_image_2475.jpg', 'images/VisDial/Train/VisDial_image_70345.jpg', 'images/VisDial/Train/VisDial_image_6795.jpg']