Predicate



Frameset: f1

   ARG0: agent
   ARG1: thing arg0 saws

Frame:

 (IP (NP-SBJ (NN 树头))
  (VP (ADVP (AD 更))
      (VP (VP (VA 宽广))
	  (VP (ADVP (AD 难))
	      (VP (VV 锯)))))) 

ARG1: 树头
ARGM-ADV: 难
ARGM-ADV: 更
REL:  锯