ref Sym 'x' line 1: not found
ref Sym 'y' line 1: not found
ref Sym 'z' line 1: not found
ref Sym 'q' line 1: not found
31 states 18 scans 9 shifts 16 reductions 0 compares 0 ambiguities
(( if  (  x  ) ( y  z ) else  q ) ; )