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

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

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