caption: a book is on the table
exif: {"Image Orientation": "Horizontal (normal)", "Image Tag 0x0000": "0", "Image YResolution": "72", "Image ResolutionUnit": "Pixels/Inch", "Image ExifOffset": "90", "EXIF ExposureTime": "1/17", "EXIF FNumber": "11/5", "EXIF ExposureProgram": "Program Normal", "EXIF ISOSpeedRatings": "320", "EXIF ExifVersion": "", "EXIF DateTimeOriginal": "2014:03:19 06:57:06", "EXIF DateTimeDigitized": "2014:03:19 06:57:06", "EXIF ComponentsConfiguration": "", "EXIF ShutterSpeedValue": "3735/911", "EXIF ApertureValue": "7892/3469", "EXIF BrightnessValue": "2653/2917", "EXIF MeteringMode": "Spot", "EXIF Flash": "Flash did not fire", "EXIF FocalLength": "103/25", "EXIF SubSecTimeOriginal": "003", "EXIF SubSecTimeDigitized": "003", "EXIF FlashPixVersion": "", "EXIF ColorSpace": "sRGB", "EXIF ExifImageWidth": "3264", "EXIF ExifImageLength": "2448", "EXIF SensingMethod": "One-chip color area", "EXIF SceneType": "0", "EXIF ExposureMode": "Auto Exposure", "EXIF WhiteBalance": "Auto", "EXIF FocalLengthIn35mmFilm": "30", "EXIF SceneCaptureType": "Standard", "EXIF LensSpecification": "[103/25, 103/25, 11/5, 11/5]", "EXIF LensMake": "Apple", "EXIF LensModel": "iPhone 5s back camera 4.12mm f/2.2"}