```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) Cholesterol (GrUA-P/C - COLOR @10:40:22</query_name>
    <query_timing>ANY</query_timing>
    <specificity_scale>0</specificity_scale>
    <subquery_constraint>
        <first_query>
            <query_id>Observation A</query_id>
            <join_column>STARTDATE</join_column>
            <aggregate_operator>FIRST</aggregate_operator>
        </first_query>
        <operator>LESS</operator>
        <second_query>
            <query_id>Observation B</query_id>
            <join_column>STARTDATE</join_column>
            <aggregate_operator>FIRST</aggregate_operator>
        </second_query>
    </subquery_constraint>
    <subquery>
        <query_id>Observation A</query_id>
        <query_type>EVENT</query_type>
        <query_name>Observation A</query_name>
        <query_timing>SAMEINSTANCENUM</query_timing>
        <specificity_scale>0</specificity_scale>
        <panel>
            <panel_number>0</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>Cholesterol (Group:CHOL)</item_name>
                <item_key>\\i2b2_LABS\i2b2\Labtests\LAB\(LLB16) Chemistry\(LLB17) Lipid Tests\CHOL\</item_key>
                <item_icon>FA</item_icon>
                <tooltip>Labtests \ Chemistry \ Lipid Tests \ Cholesterol (Group:CHOL)</tooltip>
                <class>ENC</class>
                <constrain_by_value>
                    <value_operator>GE</value_operator>
                    <value_constraint>199</value_constraint>
                    <value_unit_of_measure>mg/dl</value_unit_of_measure>
                    <value_type>NUMBER</value_type>
                </constrain_by_value>
                <item_is_synonym>false</item_is_synonym>
            </item>
        </panel>
    </subquery>
    <subquery>
        <query_id>Observation B</query_id>
        <query_type>EVENT</query_type>
        <query_name>Observation B</query_name>
        <query_timing>SAMEINSTANCENUM</query_timing>
        <specificity_scale>0</specificity_scale>
        <panel>
            <panel_number>0</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>5</hlevel>
                <item_name>UA-P/C - COLOR (LOINC:5778-6)</item_name>
                <item_key>\\i2b2_LABS\i2b2\Labtests\LAB\(LLB48) Urinalysis\(LLB49) Urinalysis\UA-COLOR\LOINC:5778-6\</item_key>
                <item_icon>LA</item_icon>
                <tooltip>Labtests \ Urinalysis \ Urinalysis \ Color (Group:UA-COLOR) \ Ua-p/c - color (LOINC:5778-6)</tooltip>
                <class>ENC</class>
                <constrain_by_value>
                    <value_operator>IN</value_operator>
                    <value_constraint>('AMBER','BROWN','DK-YEL','GREEN','ORANGE','OTHER','RED','STRAW','STRAW CLEAR','STRAW, CLEAR','YELLOW','YELLOW CLEAR','YELLOW CLOUDY','YELLOW HAZY','YELLOW, CLEAR','YELLOW,CLEAR','YELLOW,CLOUDY','YELLOW/CLEAR','YELLOW/HAZY','DK YELL/CLEAR','DK YELL/HZY','DK YELLOW','DK.YELLOW','DK/YELLOW','LT YELL/CLEAR','STRAW/CLEAR','YELL/CLDY','YELL/CLEAR','YELL/CLR','YELL/HZY')</value_constraint>
                    <value_type>TEXT</value_type>
                </constrain_by_value>
                <item_is_synonym>false</item_is_synonym>
            </item>
        </panel>
    </subquery>
</ns4:query_definition>

```

I want to find all patients who have had a cholesterol test result (Group:CHOL) with a value greater than or equal to 19 mg/dl, and also had a urine analysis test (UA-P/C - COLOR) with a result of amber, brown, green, orange, other, red, straw, straw clear, straw yellow, yellow clear, yellow cloudy, yellow hazy, yellow, yellow clear, yellow cloudy, yellow hazy, dark yellow, dark yellow clear, dark yellow hazy, light yellow clear, light yellow clear, light yellow hazy, or yellow clear, within the same instance number (i.e., same encounter/visit).