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

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

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