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

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

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