Exam 301b topic 1 question 77 discussion

An LTM Specialist configures the following iRule on an LTM device: when HTTP_REQUEST { if {[string tolower [HTTP::uri]] contains "/URI1/" } { pool Pool1
}
elseif {[string tolower [HTTP::uri]] contains "/URI2/" } {
pool Pool2
}
elseif {[string tolower [HTTP::uri]] contains "/URI3/" } {
pool Pool3
}
else { pool Pool4}
}
Given the following request: http://www.example.comURI1/index.html?fu=bar&pass=1234
Which pool will be selected by the iRule?