Two friends were on an expedition to Africa on a jeep. This expedition was of more than a week. They stopped at night to rest in a tent. After an hour, one friend woke and asked him to look at the sky. The other said, ''There are many shiny stars.'' the first one said, and ‘‘what does this show us?'' Other said, ''This shows that sky is very beautiful with shiny stars.'' The first one said, ''Wrong! This shows that SOMEONE HAS STOLEN OUR TENT.