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

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

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