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

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

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