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

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

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