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

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

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