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

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

*GRAMMAR*
lug -> PINK 
 dax -> YELLOW 
 wif -> BLUE 
 zup -> GREEN 
 u1 fep u2 -> [u1] [u2] 
 x1 blicket x2 -> [x2] [x1] 
 u1 kiki x1 -> [x1] [u1] 
 u1 x1 -> [u1] [x1] 
 