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

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

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