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

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

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