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

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

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