(PP-DIR (P 就) (NP (DP (DT 所有)) (CP (WHNP-3 (-NONE- *OP*)) (CP (IP (NP-SBJ (-NONE- *T*-3)) (VP (VA 尖锐))) (DEC 的))) (NP (NN 问题))))
ARG0: *T*-3 REL: 尖锐