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

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

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