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

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

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