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

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

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