It is unlikely either vessel was operating its active sonar at the time of the collision, because the submarines are designed to "hide" while on patrol and the use of active sonar would immediately reveal the boat's location.  Both submarines' hulls are covered with anechoic tile to reduce detection by sonar, so the boats' navigational passive sonar would not have detected the presence of the other.
Can we say the following?
Two submarines have collided.

yes


The board of Marks & Spencer will take another look at Philip Green's increased takeover offer.
Can we say the following?
Philip Green tries to take over Marks & Spencer.

yes


Microsoft Israel was founded in 1989 and became one of the first Microsoft branches outside the USA.
Can we say the following?
Microsoft was established in 1989.

no


The eighth Paralympic Winter Games are set to take place in Salt Lake City, Utah. For only the second time the Games are being held outside Europe, following the 1998 Winter Paralympics in Nagano, Japan. And for the first time ever, there is just one combined organising committee for both the Winter Olympic and Paralympic Games. Just 10 days after the Winter Olympics concludes, the Paralympics will begin in the same venue.
Can we say the following?
The 2002 Olympic Winter games took place in Salt Lake.


no