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

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

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