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

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

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