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

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

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