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

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

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