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

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

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