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

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

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