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

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

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