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

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

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