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

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

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