Three years later , Lettow-Vorbeck accepted an invitation to London where he met face-to-face for the first time J. C. Smuts ; the two men formed a lasting friendship .
NUM NOUN ADV , PROPN VERB DET NOUN ADP PROPN ADV PRON VERB NOUN ADP DET ADJ NOUN PROPN PROPN PROPN ; DET NUM NOUN VERB DET VERB NOUN .