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

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

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