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

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

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