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

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

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