```xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns3:query_definition xmlns:ns2="http://www.i2b2.org/xsd/cell/crc/psm/1.1/" xmlns:ns4="http://www.i2b2.org/xsd/cell/crc/psm/analysisdefinition/1.1/" xmlns:ns3="http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/">
    <query_name>Gende-Princ-Princ@08:29:36</query_name>
    <query_timing>ANY</query_timing>
    <specificity_scale>0</specificity_scale>
    <panel>
        <panel_number>1</panel_number>
        <panel_timing>ANY</panel_timing>
        <panel_accuracy_scale>100</panel_accuracy_scale>
        <invert>0</invert>
        <total_item_occurrences>1</total_item_occurrences>
        <item>
            <hlevel>2</hlevel>
            <item_name>Gender</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Gender\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Demographic \ Gender</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
        <item>
            <hlevel>2</hlevel>
            <item_name>Marital Status</item_name>
            <item_key>\\i2b2_DEMO\i2b2\Demographics\Marital Status\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Demographic \ Marital Status</tooltip>
            <class>ENC</class>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
    <panel>
        <panel_number>2</panel_number>
        <panel_timing>ANY</panel_timing>
        <panel_accuracy_scale>100</panel_accuracy_scale>
        <invert>0</invert>
        <total_item_occurrences>1</total_item_occurrences>
        <item>
            <hlevel>1</hlevel>
            <item_name>Mental and behavioral disorders (f01-f99)</item_name>
            <item_key>\\ICD10_ICD9\Diagnoses\(F01-F99) Ment~44ly\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Diagnoses \ Mental and behavioral disorders (f01-f99)</tooltip>
            <class>ENC</class>
            <constrain_by_modifier>
                <modifier_name>Principal Diagnosis</modifier_name>
                <modifier_key>\\ICD10_ICD9\Principal Diagnosis\</modifier_key>
                <applied_path>\Diagnoses\(F01-F99) Ment~44ly\%</applied_path>
            </constrain_by_modifier>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
    <panel>
        <panel_number>3</panel_number>
        <panel_timing>ANY</panel_timing>
        <panel_accuracy_scale>100</panel_accuracy_scale>
        <invert>0</invert>
        <total_item_occurrences>1</total_item_occurrences>
        <item>
            <hlevel>3</hlevel>
            <item_name>Complications of labor and delivery</item_name>
            <item_key>\\i2b2_DIAG\i2b2\Diagnoses\Events of pregnancy (630-677)\Complications of labor and delivery (660-669)\</item_key>
            <item_icon>FA</item_icon>
            <tooltip>Diagnoses \ Events of pregnancy \ Complications of labor and delivery</tooltip>
            <class>ENC</class>
            <constrain_by_modifier>
                <modifier_name>Principal Diagnosis</modifier_name>
                <modifier_key>\\i2b2_DIAG\Principal Diagnosis\</modifier_key>
                <applied_path>\i2b2\Diagnoses\Events of pregnancy (630-677)\%</applied_path>
            </constrain_by_modifier>
            <item_is_synonym>false</item_is_synonym>
        </item>
    </panel>
</ns3:query_definition>

```

I want to find patients with a principal diagnosis of mental and behavioral disorders (ICD-9 codes F01-F9) and a principal diagnosis of complications of labor and delivery (ICD-9 codes 60-69) within the context of demographics, specifically their gender and marital status.