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

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

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