Three men (Tahir, Pervaiz, and Javed) and three women (Elena, Ayesha, and Kiran) are spending a few months at Abbottabad. They are to stay in a row of nine cottages, each one living in his or her own cottage. There are no others staying in the same row of houses.
I Ayesha, Tahir, and Javed do not want to stay in any cottage, which is at the end of the row.
II Elena and Ayesha are unwilling to stay besides any occupied cottage.
III Kiran is next to Pervaiz and Javed.
IV Between Ayesha and Javed's cottage there is just one vacant house.
V None of the girls occupies adjacent cottages.
VI The house occupied by Tahir is nest to an end cottage.
Q: How many of them occupy cottages next to a vacant cottage?