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

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

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