human=eat+sleep+play+work

pig =eat+sleep

hence, human=pig+play+work

therefore,human-play=pig+work

conclusion,a human that don't know play is the pig that only know work

man=eat+sleep+earn money

man=pig+earn money

man is the pig that owes earn money

hence,man-earn money=pig

conclusion,a man don't know earn money is a pig

woman=eat+sleep+spend money

woman=pig+spend money

woman is the pig that owes spend money

hence,woman-spend money=pig

conclusion, a woman don't know how to spend money is a pig

     XD