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

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

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