Represent the given dialogue about an image, which is used for image retrieval: Q:are trains old
A:no
Q:how many trains can be seen
A:2
Q:are any people present
A:no
Q:are tracks metal or wood
A:metal
Q:are there any trees around
A:no, it's undercover
Q:are there any numbers on trains
A:4015 on 1 train, 906 on other
Q:are trains in tunnel
A:i wouldn't say it's tunnel but they're definitely under something plenty of light gets in through
Q:what color are trains
A:gray
Q:are there lights on trains
A:headlight is on 1 train
Q:can you see any sunlight
A:yes!


['images/VisDial/Train/VisDial_image_2839.jpg', 'images/VisDial/Train/VisDial_image_40712.jpg', 'images/VisDial/Train/VisDial_image_112493.jpg', 'images/VisDial/Train/VisDial_image_112757.jpg', 'images/VisDial/Train/VisDial_image_38229.jpg', 'images/VisDial/Train/VisDial_image_39649.jpg', 'images/VisDial/Train/VisDial_image_33238.jpg', 'images/VisDial/Train/VisDial_image_99601.jpg', 'images/VisDial/Train/VisDial_image_39474.jpg', 'images/VisDial/Train/VisDial_image_61285.jpg', 'images/VisDial/Train/VisDial_image_108860.jpg', 'images/VisDial/Train/VisDial_image_27416.jpg']