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

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

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