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

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

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