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

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

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