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

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

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