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

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

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