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

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

*GRAMMAR*
tufa -> RED 
 gazzer -> GREEN 
 fep -> BLUE 
 lug -> PURPLE 
 x1 zup -> [x1] [x1] 
 u1 wif u2 -> [u2] [u1] 
 x1 kiki x2 -> [x1] [x2] 
 u1 x1 -> [u1] [x1] 
 