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

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

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