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

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

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