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

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

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