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

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

*GRAMMAR*
lug -> PINK 
 zup -> RED 
 dax -> BLUE 
 wif -> GREEN 
 x1 tufa x2 -> [x1] [x2] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 