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

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

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