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

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

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