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

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

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