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

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

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