Represent the given dialogue about an image, which is used for image retrieval: Q:how many zebras
A:3
Q:are they all the same size
A:no
Q:how many are the same size
A:2
Q:are the 2 that are the same size bigger or smaller than the other 1
A:bigger
Q:is the trough being used by other animals
A:no
Q:are there any birds flying
A:no
Q:is it grassy
A:yes
Q:are there big rocks
A:no
Q:is it dark
A:no
Q:are there lots of trees
A:yes


['images/VisDial/Train/VisDial_image_69460.jpg', 'images/VisDial/Train/VisDial_image_78176.jpg', 'images/VisDial/Train/VisDial_image_10273.jpg', 'images/VisDial/Train/VisDial_image_87006.jpg', 'images/VisDial/Train/VisDial_image_3441.jpg', 'images/VisDial/Train/VisDial_image_108393.jpg', 'images/VisDial/Train/VisDial_image_92159.jpg', 'images/VisDial/Train/VisDial_image_51382.jpg', 'images/VisDial/Train/VisDial_image_88541.jpg', 'images/VisDial/Train/VisDial_image_39752.jpg', 'images/VisDial/Train/VisDial_image_104111.jpg', 'images/VisDial/Train/VisDial_image_119652.jpg']