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

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

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