Represent the given dialogue about an image, which is used for image retrieval: Q:how many zebras are there
A:4
Q:is there any grass
A:a little
Q:is the grass green
A:yes
Q:is there water nearby
A:yes
Q:can you see trees
A:no
Q:are there other animals in the picture
A:no
Q:is the water a lake
A:it looks like a big rock with indention's
Q:are there zebras in a zoo
A:it could be a sanctuary
Q:so it looks too "natural" to be a zoo
A:yes
Q:is there anything else near the zebras
A:stumps


['images/VisDial/Train/VisDial_image_21551.jpg', 'images/VisDial/Train/VisDial_image_57363.jpg', 'images/VisDial/Train/VisDial_image_95123.jpg', 'images/VisDial/Train/VisDial_image_107911.jpg', 'images/VisDial/Train/VisDial_image_67640.jpg', 'images/VisDial/Train/VisDial_image_18828.jpg', 'images/VisDial/Train/VisDial_image_84283.jpg', 'images/VisDial/Train/VisDial_image_49983.jpg', 'images/VisDial/Train/VisDial_image_51358.jpg', 'images/VisDial/Train/VisDial_image_94024.jpg', 'images/VisDial/Train/VisDial_image_35640.jpg', 'images/VisDial/Train/VisDial_image_62217.jpg']