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

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

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