*SUPPORT*
IN: wif dax tufa OUT: PURPLE BLUE
IN: lug dax lug OUT: GREEN GREEN
IN: lug OUT: GREEN
IN: tufa OUT: BLUE
IN: lug wif lug OUT: GREEN PURPLE GREEN
IN: blicket lug lug zup OUT: RED GREEN GREEN GREEN
IN: tufa kiki OUT: BLUE BLUE BLUE
IN: wif dax lug OUT: PURPLE GREEN
IN: wif kiki OUT: PURPLE PURPLE PURPLE
IN: lug blicket zup OUT: GREEN RED RED
IN: tufa tufa kiki OUT: BLUE BLUE BLUE BLUE
IN: wif zup OUT: PURPLE PURPLE
IN: tufa dax blicket OUT: BLUE RED
IN: lug kiki OUT: GREEN GREEN GREEN

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

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