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

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

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