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

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

*GRAMMAR*
lug -> PURPLE 
 dax -> PINK 
 wif -> BLUE 
 tufa -> RED 
 u1 kiki -> [u1] [u1] 
 x1 fep x2 -> [x1] [x2] 
 x1 zup -> [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 