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

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

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