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

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

*GRAMMAR*
wif -> RED 
 kiki -> GREEN 
 dax -> PURPLE 
 lug -> YELLOW 
 u1 tufa -> [u1] [u1] 
 x1 zup x2 -> [x1] [x2] 
 x1 fep u1 -> [u1] [x1] 
 u1 x1 -> [u1] [x1] 
 