*SUPPORT*
IN: fep lug fep OUT: PINK RED PINK
IN: fep wif gazzer fep dax dax lug OUT: PINK GREEN GREEN RED PINK PINK PINK PINK
IN: lug lug tufa fep OUT: RED PINK PINK RED
IN: blicket wif OUT: PURPLE PURPLE PURPLE PURPLE
IN: dax fep tufa fep OUT: GREEN PINK PINK PINK
IN: fep wif OUT: PINK PINK PINK PINK
IN: blicket tufa dax OUT: GREEN GREEN PURPLE
IN: fep gazzer blicket OUT: PURPLE PINK
IN: lug OUT: RED
IN: fep tufa lug OUT: RED RED PINK
IN: lug tufa blicket OUT: PURPLE PURPLE RED
IN: lug fep OUT: RED PINK
IN: fep fep fep blicket wif OUT: PINK PINK PINK PURPLE PURPLE PURPLE PURPLE
IN: blicket OUT: PURPLE

*QUERY*
IN: fep OUT: PINK
IN: dax OUT: GREEN
IN: dax tufa fep OUT: PINK PINK GREEN
IN: fep blicket dax wif OUT: PINK PURPLE GREEN GREEN GREEN GREEN
IN: dax wif gazzer fep OUT: PINK GREEN GREEN GREEN GREEN
IN: lug wif OUT: RED RED RED RED
IN: dax blicket OUT: GREEN PURPLE
IN: lug tufa lug OUT: RED RED RED
IN: blicket wif gazzer fep wif OUT: PINK PINK PINK PINK PURPLE PURPLE PURPLE PURPLE
IN: dax wif OUT: GREEN GREEN GREEN GREEN

*GRAMMAR*
fep -> PINK 
 dax -> GREEN 
 blicket -> PURPLE 
 lug -> RED 
 u1 tufa u2 -> [u2] [u2] [u1] 
 u1 wif -> [u1] [u1] [u1] [u1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 