In the question below, two sentences are given and each of them consists of two words highlighted in bold. The words may be incorrectly placed and need to be interchanged in order to make both the sentences contextually correct. From the options, choose the option that represents the correct combination of the words that need to be interchanged.
I. Open (1) elimination in India has attracted a great deal of academic interest, and its eventual (2) defecation , through a programme of building toilets, has been an important object of successive Indian governments.
II. While human-caused earthquakes have been (3) documented for more than a century, their increasing number, lately reported worldwide, has drawn much scientific, social and political (4) attention .