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

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

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