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

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

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