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

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

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