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

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

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