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

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

*GRAMMAR*
dax -> PINK 
 wif -> PURPLE 
 zup -> GREEN 
 lug -> RED 
 x1 fep x2 -> [x2] [x1] 
 u1 kiki u2 -> [u2] [u1] [u2] [u1] 
 u1 tufa x1 -> [u1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 