Represent the given dialogue about an image, which is used for image retrieval: Q:is this steam train
A:i don’t think so
Q:is it freight train
A:possibly
Q:can you see engine
A:no
Q:is there caboose
A:i can't tell
Q:is it long train
A:yes
Q:is bridge over river
A:yes
Q:is it metal bridge
A:yes
Q:is river wide here
A:appears to be
Q:is this large city
A:yes
Q:can you tell where this is
A:it could be new york before 9-11


['images/VisDial/Train/VisDial_image_61097.jpg', 'images/VisDial/Train/VisDial_image_107244.jpg', 'images/VisDial/Train/VisDial_image_96296.jpg', 'images/VisDial/Train/VisDial_image_92826.jpg', 'images/VisDial/Train/VisDial_image_121811.jpg', 'images/VisDial/Train/VisDial_image_113626.jpg', 'images/VisDial/Train/VisDial_image_109301.jpg', 'images/VisDial/Train/VisDial_image_95838.jpg', 'images/VisDial/Train/VisDial_image_80778.jpg', 'images/VisDial/Train/VisDial_image_81537.jpg', 'images/VisDial/Train/VisDial_image_3813.jpg', 'images/VisDial/Train/VisDial_image_121294.jpg']