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

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

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