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

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

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