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

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

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