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

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

*GRAMMAR*
dax -> YELLOW 
 wif -> GREEN 
 lug -> PINK 
 tufa -> RED 
 x1 zup x2 -> [x1] [x2] [x1] 
 u1 fep x1 -> [u1] [x1] 
 u1 kiki -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 