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

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

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