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

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

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