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

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

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