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

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

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