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

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

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