Sentence:  The doctor sat down rather wearily , caressing the hen and remarking that the city was not the place for a poultry loving man , but no sooner was the <WSD>remark</WSD> out than a knock at this door obliged him to cover the hen with his greatcoat once more . 
Meaning of the word marked with <WSD> tags:  a statement that expresses a personal opinion or belief or adds information