*SUPPORT*
IN: fep OUT: PINK
IN: lug OUT: RED
IN: fep kiki OUT: PINK PINK PINK
IN: fep zup OUT: PINK PINK PINK PINK PINK PINK
IN: wif wif tufa fep OUT: YELLOW YELLOW PINK
IN: wif zup OUT: YELLOW YELLOW YELLOW YELLOW YELLOW YELLOW
IN: wif tufa fep OUT: YELLOW PINK
IN: dax wif tufa fep OUT: PURPLE YELLOW PINK
IN: lug kiki OUT: RED RED RED
IN: fep dax fep wif tufa wif OUT: PINK PURPLE PINK YELLOW YELLOW
IN: lug tufa dax OUT: RED PURPLE
IN: lug lug zup OUT: RED RED RED RED RED RED RED
IN: wif OUT: YELLOW
IN: dax dax tufa wif OUT: PURPLE PURPLE YELLOW

*QUERY*
IN: dax kiki OUT: PURPLE PURPLE PURPLE
IN: wif kiki OUT: YELLOW YELLOW YELLOW
IN: lug tufa lug OUT: RED RED
IN: dax lug OUT: PURPLE RED
IN: lug tufa wif OUT: RED YELLOW
IN: fep tufa fep OUT: PINK PINK
IN: fep wif tufa fep OUT: PINK YELLOW PINK
IN: dax zup OUT: PURPLE PURPLE PURPLE PURPLE PURPLE PURPLE
IN: wif tufa wif OUT: YELLOW YELLOW
IN: lug zup OUT: RED RED RED RED RED RED

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