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

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

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