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

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

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