Represent the given dialogue about an image, which is used for image retrieval: Q:how many trains
A:2
Q:do they look clean
A:1 train looks clean
Q:does it look nice outside
A:yes, it's cloudy
Q:do you see any people
A:no
Q:can you see any writing on the trains
A:no
Q:do you see any stores
A:no
Q:can you see the color red
A:yes, on both trains
Q:do you see the color blue
A:yes, blue straps on 1 train
Q:can you see the ground
A:yes
Q:do you see any litter on the ground
A:no


['images/VisDial/Train/VisDial_image_91033.jpg', 'images/VisDial/Train/VisDial_image_55258.jpg', 'images/VisDial/Train/VisDial_image_91775.jpg', 'images/VisDial/Train/VisDial_image_44132.jpg', 'images/VisDial/Train/VisDial_image_43276.jpg', 'images/VisDial/Train/VisDial_image_99707.jpg', 'images/VisDial/Train/VisDial_image_44921.jpg', 'images/VisDial/Train/VisDial_image_81664.jpg', 'images/VisDial/Train/VisDial_image_18703.jpg', 'images/VisDial/Train/VisDial_image_7827.jpg', 'images/VisDial/Train/VisDial_image_27821.jpg', 'images/VisDial/Train/VisDial_image_122416.jpg']