Represent the given dialogue about an image, which is used for image retrieval: Q:how old is the man
A:don't know
Q:can you see his hair
A:part of it
Q:what color is his hair
A:black
Q:what color are his glasses
A:black
Q:is he wearing a hat
A:no
Q:is he wearing a jacket
A:can't only see part of his upper body
Q:what color is the briefcase
A:black and gold
Q:what brand is the calculator
A:don't know
Q:are there any pens visible
A:no
Q:what color is the calculator
A:gray


['images/VisDial/Train/VisDial_image_32208.jpg', 'images/VisDial/Train/VisDial_image_112511.jpg', 'images/VisDial/Train/VisDial_image_60700.jpg', 'images/VisDial/Train/VisDial_image_3198.jpg', 'images/VisDial/Train/VisDial_image_79090.jpg', 'images/VisDial/Train/VisDial_image_12757.jpg', 'images/VisDial/Train/VisDial_image_86935.jpg', 'images/VisDial/Train/VisDial_image_115460.jpg', 'images/VisDial/Train/VisDial_image_37940.jpg', 'images/VisDial/Train/VisDial_image_73741.jpg', 'images/VisDial/Train/VisDial_image_6766.jpg', 'images/VisDial/Train/VisDial_image_109063.jpg']