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

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

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