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

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

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