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

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

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