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

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

*GRAMMAR*
fep -> BLUE 
 tufa -> PINK 
 dax -> RED 
 lug -> GREEN 
 x1 kiki x2 -> [x2] [x1] [x2] [x1] [x1] [x2] [x2] 
 x1 wif x2 -> [x1] [x1] [x1] [x2] 
 u1 zup -> [u1] [u1] 
 u1 x1 -> [u1] [x1] 
 