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

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

*GRAMMAR*
tufa -> GREEN 
 wif -> BLUE 
 lug -> YELLOW 
 gazzer -> PURPLE 
 x1 fep -> [x1] [x1] 
 x1 blicket x2 -> [x2] [x1] 
 u1 dax u2 -> [u1] [u2] 
 u1 x1 -> [u1] [x1] 
 