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

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

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