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

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

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