*SUPPORT*
IN: fep wif zup wif wif dax OUT: YELLOW RED RED RED RED RED
IN: fep wif zup fep dax OUT: YELLOW RED YELLOW YELLOW YELLOW
IN: fep dax zup lug wif OUT: YELLOW YELLOW YELLOW PURPLE RED
IN: lug fep zup fep fep tufa fep OUT: YELLOW PURPLE YELLOW YELLOW YELLOW YELLOW
IN: fep wif tufa wif zup gazzer dax OUT: RED YELLOW RED RED GREEN GREEN GREEN
IN: lug fep dax zup lug OUT: PURPLE YELLOW YELLOW YELLOW PURPLE
IN: wif tufa gazzer OUT: GREEN RED GREEN
IN: lug fep OUT: PURPLE YELLOW
IN: gazzer gazzer dax tufa wif OUT: RED GREEN GREEN GREEN GREEN RED
IN: fep OUT: YELLOW
IN: fep wif OUT: YELLOW RED
IN: wif zup gazzer dax OUT: RED GREEN GREEN GREEN
IN: gazzer OUT: GREEN
IN: wif OUT: RED

*QUERY*
IN: wif tufa fep tufa fep OUT: YELLOW YELLOW RED YELLOW YELLOW
IN: fep gazzer dax OUT: YELLOW GREEN GREEN GREEN
IN: lug dax tufa lug OUT: PURPLE PURPLE PURPLE PURPLE PURPLE
IN: fep lug zup gazzer dax tufa fep OUT: YELLOW YELLOW PURPLE GREEN GREEN GREEN YELLOW
IN: wif dax OUT: RED RED RED
IN: lug OUT: PURPLE
IN: fep lug OUT: YELLOW PURPLE
IN: fep dax OUT: YELLOW YELLOW YELLOW
IN: gazzer dax OUT: GREEN GREEN GREEN
IN: gazzer lug tufa lug OUT: PURPLE GREEN PURPLE PURPLE

*GRAMMAR*
wif -> RED 
 gazzer -> GREEN 
 lug -> PURPLE 
 fep -> YELLOW 
 u1 dax -> [u1] [u1] [u1] 
 x1 tufa u1 -> [u1] [x1] [u1] 
 x1 zup x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 