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

*QUERY*
IN: zup wif dax tufa dax zup wif OUT: PURPLE PURPLE BLUE GREEN BLUE
IN: tufa tufa gazzer tufa OUT: GREEN GREEN GREEN
IN: zup OUT: PURPLE
IN: wif OUT: BLUE
IN: zup fep blicket OUT: PURPLE RED RED
IN: wif blicket OUT: BLUE BLUE
IN: zup dax zup dax fep OUT: RED PURPLE PURPLE
IN: zup wif gazzer fep OUT: PURPLE RED BLUE
IN: zup dax fep gazzer tufa OUT: GREEN RED PURPLE
IN: wif dax tufa OUT: GREEN BLUE

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