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

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

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