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

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

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