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

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

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