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

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

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