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

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

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