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

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

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