Touch is used to determine what existing objects may be.
(Touch; is used; to determine what existing objects may be) (Touch; to determine; what existing objects may be) Context(Touch to determine,List([0, 26))):(what existing objects; may be; )
Touch to determine,List([0, 26))
Touch Touch what existing objects
is used to determine may be
to determine what existing objects may be
what existing objects may be