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

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

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