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

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

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