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

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

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