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

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

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