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

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

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