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

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

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