In `` A Study in Scarlet `` , Dr . Watson recounts his earlier life before meeting Sherlock Holmes ; it is established that Watson received his medical degree from the University of London in 1878 , and had gone on to train at Netley Hospital as a surgeon in the Army .
ADP `` DET NOUN ADP PROPN `` , PROPN . PROPN VERB PRON ADJ NOUN ADP VERB PROPN PROPN ; PRON AUX VERB SCONJ PROPN VERB PRON ADJ NOUN ADP DET PROPN ADP PROPN ADP NUM , CCONJ AUX VERB ADP PART VERB ADP PROPN PROPN ADP DET NOUN ADP DET PROPN .