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

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

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