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

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

*GRAMMAR*
dax -> GREEN 
 wif -> YELLOW 
 lug -> RED 
 blicket -> PURPLE 
 x1 gazzer x2 -> [x2] [x1] 
 u1 fep -> [u1] [u1] 
 x1 tufa x2 -> [x2] [x1] 
 u1 x1 -> [u1] [x1] 
 