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

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

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