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

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

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