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

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

*GRAMMAR*
fep -> BLUE 
 lug -> PURPLE 
 blicket -> RED 
 wif -> GREEN 
 u1 kiki -> [u1] [u1] 
 x1 dax x2 -> [x2] [x1] 
 u1 gazzer u2 -> [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 