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

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

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