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

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

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