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

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

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