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

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

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