TASK DEFINITION: Given a statement about date and time, state whether the statement is true or false. The number of date/time operands in the statement ranges between 2 and 3. Let's say the values are denoted by t1, t2 and t3. The statements follow one of the following ten templates: 't1 occurs before t2, t1 doesn't occur before t2, t1 occurs after t2, t1 doesn't occur after t2, t1 occurs between t2 and t3, t1 doesn't occur between t2 and t3, t1 occured before t2 but after t3, t1 occured after t2 but before t3, t1 didn't occur before t2 but after t3, t1 didn't occur after t2 but before t3'. The output should be either 'True' or 'False'.
PROBLEM: 21 July 1981 doesn't occur after 10 December 2005

SOLUTION: True

PROBLEM: May 20, 2013 doesn't occur between February 18, 1982 and February 17, 1978

SOLUTION: True

PROBLEM: Oct 12, 1989 occured before Sep 11, 2000 but after 21 Mar 1984

SOLUTION:
True