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

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

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