Represent the given dialogue about an image, which is used for image retrieval: Q:is there any people around
A:no
Q:what time of day does it look like
A:mid-day
Q:is it nice day out
A:yes, not cloud in sight and bright blue sky
Q:what does white sign say
A:it is subway ad, partially blocked
Q:what is it blocked by
A:train
Q:is train big
A:i can only see first car and part of second
Q:is train carrying anything
A:it looks to be freight train
Q:is train color just yellow
A:no, there is lettering on side
Q:do you know what it reads
A:union pacific 4106
Q:is there anyone operating train
A:i can't tell


['images/VisDial/Train/VisDial_image_8065.jpg', 'images/VisDial/Train/VisDial_image_95159.jpg', 'images/VisDial/Train/VisDial_image_12996.jpg', 'images/VisDial/Train/VisDial_image_74284.jpg', 'images/VisDial/Train/VisDial_image_4534.jpg', 'images/VisDial/Train/VisDial_image_56427.jpg', 'images/VisDial/Train/VisDial_image_57185.jpg', 'images/VisDial/Train/VisDial_image_30076.jpg', 'images/VisDial/Train/VisDial_image_51185.jpg', 'images/VisDial/Train/VisDial_image_21578.jpg', 'images/VisDial/Train/VisDial_image_66015.jpg', 'images/VisDial/Train/VisDial_image_31914.jpg']