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

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

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