How to buy essential oils<br>Think about why you want to use an essential oil. Different oils suit different needs so it's important to know what you wish to achieve by using essential oil. For example, lavender can be used in a diffuser to relax and reduce anxiety and sage essential oil can be used as an antiseptic in wounds or as an anti-inflammatory.
Does this next sentence follow, given the preceding text?
essential oils are not necessarily effective

Options:
1). Yes;
2). It's impossible to say;
3). No;
2).