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

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

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