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

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

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