code: def p_event_statement(self, p):
          'event_statement : senslist SEMICOLON'
          p[0] = EventStatement(p[1], lineno=p.lineno(1))
          p.set_lineno(0, p.lineno(1)f p_event_statement(self, p):
          'event_statement : senslist SEMICOLON'
          p[0] = EventStatement(p[1], lineno=p.lineno(1))
          p.set_lineno(0, p.lineno(1))
docs: event_statement : senslist SEMICOLON