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

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

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