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

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

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