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

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

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