*SUPPORT*
IN: fep lug dax lug tufa wif kiki OUT: YELLOW BLUE RED RED YELLOW BLUE RED RED
IN: fep kiki OUT: BLUE BLUE
IN: gazzer kiki OUT: PURPLE PURPLE
IN: wif OUT: YELLOW
IN: fep lug kiki tufa wif OUT: YELLOW BLUE RED BLUE RED
IN: fep lug gazzer tufa lug OUT: RED BLUE RED PURPLE
IN: wif kiki OUT: YELLOW YELLOW
IN: gazzer lug fep OUT: PURPLE RED BLUE
IN: wif dax fep gazzer kiki tufa gazzer OUT: YELLOW PURPLE BLUE PURPLE BLUE PURPLE
IN: lug fep lug dax wif wif fep fep OUT: RED BLUE RED YELLOW YELLOW BLUE BLUE
IN: lug dax lug OUT: RED RED
IN: lug OUT: RED
IN: fep wif lug lug kiki OUT: BLUE YELLOW RED RED BLUE YELLOW RED RED
IN: wif dax lug dax wif lug OUT: YELLOW RED YELLOW RED

*QUERY*
IN: wif tufa wif kiki OUT: YELLOW YELLOW YELLOW YELLOW
IN: gazzer dax wif OUT: PURPLE YELLOW
IN: gazzer OUT: PURPLE
IN: wif gazzer fep OUT: YELLOW PURPLE BLUE
IN: lug dax wif OUT: RED YELLOW
IN: wif fep dax gazzer gazzer OUT: YELLOW BLUE PURPLE PURPLE
IN: fep tufa gazzer kiki OUT: PURPLE BLUE PURPLE BLUE
IN: fep fep tufa wif OUT: YELLOW BLUE BLUE
IN: fep dax fep wif tufa fep OUT: BLUE BLUE BLUE YELLOW
IN: wif gazzer wif wif tufa gazzer OUT: PURPLE YELLOW PURPLE YELLOW YELLOW

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