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

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

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