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

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

*GRAMMAR*
dax -> RED 
 tufa -> BLUE 
 zup -> PINK 
 fep -> GREEN 
 x1 kiki -> [x1] [x1] [x1] 
 u1 wif u2 -> [u2] [u1] 
 x1 gazzer x2 -> [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 