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

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

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