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

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

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