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

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

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