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

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

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