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

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

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