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

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

*GRAMMAR*
fep -> BLUE 
 kiki -> PURPLE 
 tufa -> PINK 
 lug -> GREEN 
 u1 wif u2 -> [u1] [u2] 
 x1 dax x2 -> [x1] [x2] 
 u1 zup -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 