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

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

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