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

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

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