Sentence:  If, for example, Oswald was not "<WSD>emptyhanded</WSD>" but, as the original reports had it, had been drinking a Coca-Cola — there was a vending machine in the lunchroom where the encounter occurred — then he almost certainly could not have left the sixth-floor window after firing the shots, hid the rifle on the sixth floor, run down to the second floor, entered the lunchroom, operated the machine, ... 
Meaning of the word marked with <WSD> tags:  With nothing in one's hands.