module Chicken(mom,dad,bro,sis,food);

    input mom,dad,bro,sis;
    output food;
    wire md_agree,dad_kids,mom_kids; //mom dad agree, dad + kids, mom + kids

    nand(md_agree,mom,dad);
    nand(dad_kids,dad,bro,sis);
    nand(mom_kids,mom,bro,sis);
    nand(md_agree,dad_kids,mom_kids); //final food choice

endmodule