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

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

*GRAMMAR*
tufa -> PURPLE 
 wif -> BLUE 
 dax -> YELLOW 
 fep -> RED 
 u1 kiki x1 -> [u1] [u1] [x1] 
 u1 lug -> [u1] [u1] [u1] [u1] 
 x1 gazzer x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 