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

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

*GRAMMAR*
lug -> YELLOW 
 zup -> GREEN 
 tufa -> RED 
 dax -> PINK 
 x1 wif u1 -> [x1] [u1] 
 u1 fep u2 -> [u2] [u1] [u1] 
 u1 blicket x1 -> [x1] [x1] [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 