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

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

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