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

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

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