*SUPPORT*
IN: fep gazzer wif OUT: PURPLE YELLOW
IN: blicket OUT: RED
IN: zup lug OUT: BLUE BLUE
IN: wif gazzer wif OUT: YELLOW YELLOW
IN: wif tufa fep OUT: PURPLE YELLOW
IN: blicket tufa zup OUT: BLUE RED
IN: zup tufa wif OUT: YELLOW BLUE
IN: blicket gazzer zup OUT: RED BLUE
IN: fep tufa blicket OUT: RED PURPLE
IN: zup OUT: BLUE
IN: blicket fep OUT: RED PURPLE
IN: zup tufa fep OUT: PURPLE BLUE
IN: wif gazzer fep OUT: YELLOW PURPLE
IN: fep tufa wif OUT: YELLOW PURPLE

*QUERY*
IN: blicket lug OUT: RED RED
IN: wif OUT: YELLOW
IN: blicket fep lug OUT: RED PURPLE PURPLE
IN: fep OUT: PURPLE
IN: blicket gazzer fep OUT: RED PURPLE
IN: blicket gazzer blicket OUT: RED RED
IN: wif wif zup wif gazzer blicket OUT: YELLOW YELLOW BLUE YELLOW RED
IN: blicket tufa blicket OUT: RED RED
IN: zup zup wif fep OUT: BLUE BLUE YELLOW PURPLE
IN: zup gazzer zup OUT: BLUE BLUE

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