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

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

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