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

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

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