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

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

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