Represent the given dialogue about an image, which is used for image retrieval: Q:how many bikes are there
A:2
Q:are there people on this train
A:no
Q:what color are the bikes
A:black
Q:are there helmets with the bikes
A:yes
Q:are the seats ripped
A:no
Q:can you see out the train windows
A:no
Q:is the floor clean
A:yes
Q:can you see any lights
A:the exit sign light
Q:is there anything unusual about this photo
A:its empty with only 1 seat in the train car
Q:are they mountain bikes
A:yes


['images/VisDial/Train/VisDial_image_94838.jpg', 'images/VisDial/Train/VisDial_image_30285.jpg', 'images/VisDial/Train/VisDial_image_104302.jpg', 'images/VisDial/Train/VisDial_image_112114.jpg', 'images/VisDial/Train/VisDial_image_113660.jpg', 'images/VisDial/Train/VisDial_image_32575.jpg', 'images/VisDial/Train/VisDial_image_92680.jpg', 'images/VisDial/Train/VisDial_image_19996.jpg', 'images/VisDial/Train/VisDial_image_12437.jpg', 'images/VisDial/Train/VisDial_image_73520.jpg', 'images/VisDial/Train/VisDial_image_120500.jpg', 'images/VisDial/Train/VisDial_image_78287.jpg']