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

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

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