A girl is sitting in a chair at the table with a cellphone raised to her ear.
A girl is making and important phone call to her mother
A girl using a cellphone is not necessarily talking to her mother.
exists e1 e2 x1 x2 x3 x4 x5 x6.(n_ear(x6) & of(x6,x3) & n_female(x3) & n_table(x3) & with(e1,x4) & to(e2,x6) & Theme(e2,x5) & v_raise(e2) & (x4 = x5) & n_cellphone(x4) & at(e1,x3) & in(e1,x2) & n_chair(x2) & Actor(e1,x1) & v_sit(e1) & n_girl(x1))
exists e1 s1 x1 x2 x3 x4.(Theme(e1,x2) & Actor(e1,x1) & v_make(e1) & to(x2,x4) & n_mother(x4) & of(x4,x1) & n_female(x1) & n_call(x2) & of(x2,x3) & n_phone(x3) & a_important(s1) & Theme(s1,x2) & n_girl(x1))