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

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

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