*SUPPORT*
IN: lug kiki OUT: RED RED RED RED RED
IN: dax kiki wif lug fep OUT: BLUE BLUE BLUE BLUE BLUE RED GREEN
IN: zup wif lug OUT: YELLOW RED
IN: dax OUT: BLUE
IN: lug lug OUT: RED RED
IN: lug dax kiki tufa fep OUT: GREEN RED BLUE BLUE BLUE BLUE BLUE
IN: fep zup kiki OUT: GREEN YELLOW YELLOW YELLOW YELLOW YELLOW
IN: fep wif zup OUT: GREEN YELLOW
IN: lug OUT: RED
IN: zup wif zup kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup zup tufa lug OUT: RED YELLOW YELLOW
IN: fep kiki OUT: GREEN GREEN GREEN GREEN GREEN
IN: zup OUT: YELLOW
IN: lug dax tufa dax OUT: BLUE RED BLUE

*QUERY*
IN: lug wif lug zup kiki OUT: RED RED YELLOW YELLOW YELLOW YELLOW YELLOW
IN: zup kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: lug zup kiki OUT: RED YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax fep OUT: BLUE GREEN
IN: fep kiki wif fep wif dax dax OUT: GREEN GREEN GREEN GREEN GREEN GREEN BLUE BLUE
IN: fep dax kiki OUT: GREEN BLUE BLUE BLUE BLUE BLUE
IN: dax wif zup kiki OUT: BLUE YELLOW YELLOW YELLOW YELLOW YELLOW
IN: dax kiki wif zup tufa zup OUT: BLUE BLUE BLUE BLUE BLUE YELLOW YELLOW
IN: fep OUT: GREEN
IN: lug fep kiki OUT: RED GREEN GREEN GREEN GREEN GREEN

*GRAMMAR*
zup -> YELLOW 
 lug -> RED 
 dax -> BLUE 
 fep -> GREEN 
 x1 wif x2 -> [x1] [x2] 
 x1 tufa x2 -> [x2] [x1] 
 u1 kiki -> [u1] [u1] [u1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 