An old man wearing glasses is praying with his beads while sitting down.
A person engaged in prayer is sitting and holding beads.
man  is praying with his beads while sitting down is same as person engaged in prayer is sitting and holding beads
exists e3 e2 e1 s1 s2 x1 x2 x3 x4.(while(e2,e3) & a_down(s2) & Manner(e3,s2) & Actor(e3,x1) & v_sit(e3) & with(e2,x4) & n_bead(x4) & of(x4,x1) & n_male(x1) & Actor(e2,x1) & v_pray(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_glass(x3) & (x1 = x2) & n_man(x1) & a_old(s1) & Theme(s1,x1))
exists e4 e3 e2 e1 x1 x2 x3 x4 x5 x6 x7.(Theme(e4,x7) & Actor(e4,x4) & v_hold(e4) & n_bead(x7) & in(e3,x6) & n_prayer(x6) & Theme(e3,x5) & v_engage(e3) & (x4 = x5) & n_person(x4) & Actor(e2,x1) & v_sit(e2) & in(e1,x3) & n_prayer(x3) & Theme(e1,x2) & v_engage(e1) & (x1 = x2) & n_person(x1))