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

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

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