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

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

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