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

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

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