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

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

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