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

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

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