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

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

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