BeingabletoautomaticallydescribethecontentofanimageusingproperlyformedEnglishsentencesisaverychallengingtask,butitcouldhavegreatimpact,forinstancebyhelpingvisuallyimpairedpeoplebetterunderstandthecontentofimagesontheweb.Thistaskissignificantlyharder,for
                                    
                                    
                                        
                                            1