*SUPPORT*
IN: wif gazzer dax kiki dax OUT: YELLOW YELLOW RED
IN: wif tufa OUT: RED RED
IN: lug kiki blicket OUT: GREEN PINK
IN: blicket tufa OUT: PINK PINK
IN: blicket OUT: PINK
IN: dax dax kiki lug OUT: YELLOW YELLOW GREEN
IN: dax OUT: YELLOW
IN: blicket kiki dax tufa OUT: PINK YELLOW PINK YELLOW
IN: blicket blicket kiki lug OUT: PINK PINK GREEN
IN: lug OUT: GREEN
IN: blicket kiki blicket OUT: PINK PINK
IN: wif OUT: RED
IN: lug kiki blicket gazzer lug dax OUT: GREEN YELLOW GREEN PINK
IN: dax kiki lug OUT: YELLOW GREEN

*QUERY*
IN: wif lug wif dax tufa OUT: RED GREEN RED YELLOW RED GREEN RED YELLOW
IN: wif kiki lug tufa OUT: RED GREEN RED GREEN
IN: blicket kiki wif tufa OUT: PINK RED PINK RED
IN: wif kiki blicket OUT: RED PINK
IN: dax blicket kiki blicket OUT: YELLOW PINK PINK
IN: wif wif lug tufa gazzer lug kiki lug OUT: GREEN GREEN RED RED GREEN RED RED GREEN
IN: wif lug lug tufa OUT: RED GREEN GREEN RED GREEN GREEN
IN: lug kiki dax OUT: GREEN YELLOW
IN: lug wif kiki dax OUT: GREEN RED YELLOW
IN: dax blicket kiki lug gazzer wif tufa OUT: RED YELLOW PINK GREEN RED YELLOW PINK GREEN

*GRAMMAR*
lug -> GREEN 
 dax -> YELLOW 
 wif -> RED 
 blicket -> PINK 
 x1 tufa -> [x1] [x1] 
 x1 gazzer x2 -> [x2] [x1] 
 u1 kiki u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 