A mouse lended the driver the pen on the sofa .
* driver ( x _ 4 ) ; * pen ( x _ 6 ) ; * sofa ( x _ 9 ) ; mouse ( x _ 1 ) AND lend . agent ( x _ 2 , x _ 1 ) AND lend . recipient ( x _ 2 , x _ 4 ) AND lend . theme ( x _ 2 , x _ 6 ) AND pen . nmod . on ( x _ 6 , x _ 9 )