How to store the text of preceding combinator element in RC

Testing preceding combinator elements , Selenium Notes, Examples, Videos By.www.laxmiroy.blogspot.com/

to store "another chile element"

String str = selenium.getText("css=span#firstChild + span");

to store "last child element"

String str = selenium.getText("css=span#firstChild + span + span");

How to store the text of preceding combinator element in IDE

to store "another chile element"

<tr>

<td>storeText</td>

<td>css=span#firstChild + span</td>

<td>str</td>

</tr>

to store "last child element"

<tr>

<td>storeText</td>

<td>css=span#firstChild + span + span </td>

<td>str</td>

</tr>