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

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

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