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

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

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