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

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

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