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

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

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