Dad is adjusting daughter's bike.
The Dad is a professional bike repairer.
Just because the dad is adjusting the daughter's bike , does not mean the Dad is a professional bike repairer.
exists e1 x1 x2 x3.(ne_nam_dad(x1) & Theme(e1,x3) & Actor(e1,x1) & v_adjust(e1) & n_bike(x3) & of(x3,x2) & n_daughter(x2))
exists p1 x1.(ne_org_dad(x1) & exists s1 x2 x3.((x1 = x2) & n_repairer(x2) & of(x2,x3) & n_bike(x3) & a_professional(s1) & Theme(s1,x2)))