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

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

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