*SUPPORT*
IN: wif gazzer lug OUT: BLUE GREEN
IN: wif OUT: BLUE
IN: fep wif wif gazzer lug OUT: PURPLE BLUE BLUE GREEN
IN: fep kiki blicket OUT: RED PURPLE
IN: blicket fep OUT: RED PURPLE
IN: fep dax lug gazzer fep OUT: PURPLE GREEN PURPLE PURPLE
IN: fep fep OUT: PURPLE PURPLE
IN: lug lug OUT: GREEN GREEN
IN: blicket gazzer wif OUT: RED BLUE
IN: lug OUT: GREEN
IN: fep kiki lug OUT: GREEN PURPLE
IN: wif kiki lug OUT: GREEN BLUE
IN: fep gazzer lug OUT: PURPLE GREEN
IN: blicket OUT: RED

*QUERY*
IN: wif kiki fep OUT: PURPLE BLUE
IN: blicket kiki lug OUT: GREEN RED
IN: fep kiki fep OUT: PURPLE PURPLE
IN: lug gazzer fep OUT: GREEN PURPLE
IN: blicket dax wif wif wif kiki lug OUT: RED BLUE BLUE GREEN BLUE RED
IN: blicket fep dax blicket gazzer wif OUT: RED PURPLE RED BLUE PURPLE
IN: blicket blicket OUT: RED RED
IN: fep wif wif dax wif kiki lug OUT: PURPLE BLUE BLUE GREEN BLUE BLUE
IN: fep blicket kiki wif OUT: PURPLE BLUE RED
IN: fep gazzer fep OUT: PURPLE PURPLE

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