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

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

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