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

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

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