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

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

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