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

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

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