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

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

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