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

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

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