ref Sym 'x' line 1: not found ref Sym 'y' line 1: not found ref Sym 'z' line 1: not found ref Sym 'n' line 1: not found ref Sym 'q' line 1: not found ref Sym 's' line 1: not found ref Sym 't' line 1: not found 65 states 34 scans 26 shifts 38 reductions 0 compares 0 ambiguities (( if ( x ) ( y + ( z * n )) else ( q + ( s * t ))) ; )