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

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

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