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

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

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