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

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

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