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

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

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