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

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

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