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

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

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