There are three kinds of animals in the zoo: camels, elephants and monkeys, whose ages are all round numbers  Three partners Xiao Zhang, Xiao Wang and Xiao Li go to the zoo to visit animals  They each choose an animal to visit  The animals of the three candidates are not the same  ① The elephant lives in the animal house on the east side of the zoo  ② The camel is four years old and lives in the animal house in the west  What Xiao Wang went to see was the animals between the east and west of the zoo  The animal xiao Zhang went to see was the youngest
(5) The ages of the three species increased from west to east, and the average age was 5 years
What Xiao Wang visits is the elephant