*SUPPORT*
IN: zup tufa dax zup lug OUT: PINK GREEN GREEN GREEN
IN: gazzer kiki zup OUT: GREEN RED GREEN
IN: wif kiki zup OUT: GREEN BLUE GREEN
IN: zup lug OUT: GREEN GREEN
IN: gazzer lug OUT: RED RED
IN: dax OUT: PINK
IN: dax kiki wif OUT: BLUE PINK BLUE
IN: zup kiki wif OUT: BLUE GREEN BLUE
IN: wif kiki wif OUT: BLUE BLUE BLUE
IN: dax wif wif tufa zup OUT: PINK BLUE GREEN BLUE
IN: zup kiki zup OUT: GREEN GREEN GREEN
IN: dax zup tufa dax lug OUT: PINK PINK PINK GREEN
IN: gazzer wif OUT: RED BLUE
IN: wif OUT: BLUE

*QUERY*
IN: zup OUT: GREEN
IN: gazzer OUT: RED
IN: wif tufa dax tufa wif lug OUT: BLUE BLUE PINK BLUE
IN: dax kiki dax OUT: PINK PINK PINK
IN: dax tufa gazzer OUT: RED PINK
IN: dax lug OUT: PINK PINK
IN: wif lug OUT: BLUE BLUE
IN: zup zup lug OUT: GREEN GREEN GREEN
IN: gazzer zup kiki wif OUT: RED BLUE GREEN BLUE
IN: gazzer zup gazzer lug OUT: RED GREEN RED RED

*GRAMMAR*
zup -> GREEN 
 dax -> PINK 
 gazzer -> RED 
 wif -> BLUE 
 u1 tufa x1 -> [x1] [u1] 
 u1 kiki u2 -> [u2] [u1] [u2] 
 u1 lug -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 