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

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

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