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

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

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