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

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

*GRAMMAR*
kiki -> GREEN 
 fep -> PINK 
 zup -> BLUE 
 wif -> YELLOW 
 u1 dax u2 -> [u1] [u2] 
 x1 blicket -> [x1] [x1] 
 u1 lug u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 