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

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

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