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

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

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