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

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

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