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

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

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