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

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

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