Hi teachers,<br/><br/>Which is the correct option?<br/><br/>a) Give one synonym or explanation <u><b>for</b></u> the underlined word(s).<br/><br/>b) Give one synonym or explanation <u><b>to</b></u> the underlined word(s).<br/><br/>I guess is option 'a', but I'm not so sure.<br/><br/>Thanks in advance