Four women, G,H,I and J and four men R, S, T and U are to be seated at a rectangular table. Three of the people are to sit on one side of the table, Three are to sit on the other side of the table, One is to sit at the head end of the table and one is to sit opposite to the head end of the table. The following conditions on seating arrangements must be observed.
 Persons of the same sex cannot sit next to each other on the same side of the table.
 The person seated at the opposite side of the head end of the table cannot be of the same sex as
the person seated at the head end of the table.
 T cannot be seated on the same side of the table as I.
 U cannot be seated on the same side of the table as J.

If U is seated at the head end of the table and I is seated in the middle seat on one side of the table, which of the following must be true ?