A woman is playing a guitar and singing into a microphone.
the woman is not very good at multitasking
The woman is playing both a guitar and singing into a microphone. This does not imply that she is not very good at multitasking.
exists e1 e2 x1 x2 x3 x4.(into(e2,x4) & n_microphone(x4) & Actor(e2,x3) & v_sing(e2) & n_woman(x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_guitar(x2) & n_woman(x1))
exists x1.(n_woman(x1) & -exists e1 s1 x2.(r_very(s1) & at(s1,e1) & Actor(e1,x2) & v_multitask(e1) & Theme(s1,x1) & a_good(s1)))