An old woman is knitting with blue yarn.
An old woman knits a cap for her grandchild.
An woman can knit anything and not necessarily a cap. An woman can knit for anyone and not necessarily for her grandchild.
exists e1 s1 s2 x1 x2.(with(e1,x2) & n_yarn(x2) & a_blue(s2) & Theme(s2,x2) & Actor(e1,x1) & v_knit(e1) & n_woman(x1) & a_old(s1) & Theme(s1,x1))
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_knit(e1) & for(x2,x3) & n_grandchild(x3) & of(x3,x1) & n_female(x1) & n_cap(x2) & n_woman(x1) & a_old(s1) & Theme(s1,x1))