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

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

*GRAMMAR*
wif -> RED 
 gazzer -> PURPLE 
 blicket -> BLUE 
 tufa -> GREEN 
 x1 fep -> [x1] [x1] 
 x1 dax x2 -> [x2] [x1] [x2] 
 u1 lug u2 -> [u1] [u2] [u2] [u1] 
 u1 x1 -> [u1] [x1] 
 