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

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

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