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

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

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