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

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

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