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

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

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