*SUPPORT*
IN: lug dax wif dax lug dax fep gazzer OUT: YELLOW PURPLE YELLOW RED RED RED
IN: fep kiki OUT: RED RED RED RED RED
IN: lug kiki OUT: YELLOW YELLOW YELLOW YELLOW YELLOW
IN: tufa tufa OUT: GREEN GREEN
IN: tufa fep gazzer OUT: GREEN RED GREEN RED GREEN RED
IN: wif gazzer OUT: PURPLE PURPLE PURPLE
IN: fep dax lug dax fep wif OUT: RED YELLOW RED PURPLE
IN: fep dax tufa tufa OUT: RED GREEN GREEN
IN: lug tufa lug dax tufa OUT: YELLOW GREEN YELLOW GREEN
IN: tufa OUT: GREEN
IN: lug fep OUT: YELLOW RED
IN: fep OUT: RED
IN: wif dax lug fep OUT: PURPLE YELLOW RED
IN: tufa dax fep OUT: GREEN RED

*QUERY*
IN: wif tufa dax fep OUT: PURPLE GREEN RED
IN: lug OUT: YELLOW
IN: lug dax tufa OUT: YELLOW GREEN
IN: lug dax tufa dax lug kiki OUT: YELLOW GREEN YELLOW YELLOW YELLOW YELLOW YELLOW
IN: fep dax tufa dax tufa OUT: RED GREEN GREEN
IN: wif dax tufa dax lug wif OUT: PURPLE GREEN YELLOW PURPLE
IN: tufa kiki OUT: GREEN GREEN GREEN GREEN GREEN
IN: lug gazzer OUT: YELLOW YELLOW YELLOW
IN: wif OUT: PURPLE
IN: lug dax wif kiki OUT: YELLOW PURPLE PURPLE PURPLE PURPLE PURPLE

*GRAMMAR*
lug -> YELLOW 
 wif -> PURPLE 
 fep -> RED 
 tufa -> GREEN 
 u1 dax x1 -> [u1] [x1] 
 x1 gazzer -> [x1] [x1] [x1] 
 x1 kiki -> [x1] [x1] [x1] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 