```xml
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<ns4:query_definition xmlns:ns2="http://www.i2b2.org/xsd/cell/crc/psm/1.1/" xmlns:ns4="http://www.i2b2.org/xsd/cell/crc/psm/querydefinition/1.1/" xmlns:ns3="http://www.i2b2.org/xsd/cell/crc/psm/analysisdefinition/1.1/">
    <query_name>(t) Cough-Acute upper respiratory infections of multiple or unspecified sites@13:44:40</query_name>
    <query_timing>ANY</query_timing>
    <specificity_scale>0</specificity_scale>
    <subquery_constraint>
        <first_query>
            <query_id>Event 1</query_id>
            <join_column>STARTDATE</join_column>
            <aggregate_operator>FIRST</aggregate_operator>
        </first_query>
        <operator>LESS</operator>
        <second_query>
            <query_id>Event 2</query_id>
            <join_column>STARTDATE</join_column>
            <aggregate_operator>FIRST</aggregate_operator>
        </second_query>
    </subquery_constraint>
    <subquery>
        <query_id>Event 1</query_id>
        <query_type>EVENT</query_type>
        <query_name>Event 1</query_name>
        <query_timing>SAMEINSTANCENUM</query_timing>
        <specificity_scale>0</specificity_scale>
        <panel>
            <panel_number>1</panel_number>
            <panel_timing>SAMEINSTANCENUM</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>Cough</item_name>
                <item_key>\\ICD10_ICD9\Diagnoses\(R00-R99) Symp~mt2x\(R00-R09) Symp~evaq\(R05) Cough\</item_key>
                <item_icon>FA</item_icon>
                <tooltip>Diagnoses \ Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (r00-r99) \ Symptoms and signs involving the circulatory and respiratory systems (r00-r09)
 \ Cough</tooltip>
                <class>ENC</class>
                <item_is_synonym>false</item_is_synonym>
            </item>
        </panel>
    </subquery>
    <subquery>
        <query_id>Event 2</query_id>
        <query_type>EVENT</query_type>
        <query_name>Event 2</query_name>
        <query_timing>SAMEINSTANCENUM</query_timing>
        <specificity_scale>0</specificity_scale>
        <panel>
            <panel_number>1</panel_number>
            <panel_timing>SAMEINSTANCENUM</panel_timing>
            <panel_accuracy_scale>100</panel_accuracy_scale>
            <invert>0</invert>
            <total_item_occurrences>1</total_item_occurrences>
            <item>
                <hlevel>4</hlevel>
                <item_name>Acute upper respiratory infections of multiple or unspecified sites</item_name>
                <item_key>\\i2b2_DIAG\i2b2\Diagnoses\Respiratory system (460-519)\Acute respiratory infections (460-466)\(465) Acute upper respiratory inf~\</item_key>
                <item_icon>FA</item_icon>
                <tooltip>Diagnoses \ Respiratory system \ Acute respiratory infections \ Acute upper respiratory infections of multiple or unspecified sites</tooltip>
                <class>ENC</class>
                <item_is_synonym>false</item_is_synonym>
            </item>
        </panel>
    </subquery>
</ns4:query_definition>

```

I want to find patients who have had an event of "Cough" in their medical records, and within the same instance of care, they also had an event of "Acute upper respiratory infections of multiple or unspecified sites" with the time of occurrence being anytime before the "Cough" event.