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

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

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