Represent the given dialogue about an image, which is used for image retrieval: Q:is it in color
A:yes
Q:any people
A:no
Q:any cars
A:only cars that make up the train
Q:any trees
A:yes
Q:what color is the train
A:the engine is yellow and the rest is blue and silver or grey
Q:how big is the train
A:the train is about 20 cars long excluding the engine
Q:is a freight train
A:yes
Q:can you see the driver
A:no
Q:is the sky in view
A:yes
Q:how is it
A:cloudy


['images/VisDial/Train/VisDial_image_108059.jpg', 'images/VisDial/Train/VisDial_image_32488.jpg', 'images/VisDial/Train/VisDial_image_58299.jpg', 'images/VisDial/Train/VisDial_image_105877.jpg', 'images/VisDial/Train/VisDial_image_32646.jpg', 'images/VisDial/Train/VisDial_image_100513.jpg', 'images/VisDial/Train/VisDial_image_69771.jpg', 'images/VisDial/Train/VisDial_image_99647.jpg', 'images/VisDial/Train/VisDial_image_50678.jpg', 'images/VisDial/Train/VisDial_image_60968.jpg', 'images/VisDial/Train/VisDial_image_61291.jpg', 'images/VisDial/Train/VisDial_image_84123.jpg']