For △ABC, a line joins points D on AB and E on AC. Examine the following three independent data sets and identify the set(s) for which DE could be parallel to BC. Just write the correct option number.
(i) AD=3cm,DB=5cm,AE=4cm,EC=5cm
(ii) AD=4cm,DB=6cm,AE=6cm,EC=9cm
(iii) AD=5cm,DB=4cm,AE=7cm,EC=8cm