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

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

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