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

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

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