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

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

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