By calculation (generator: ["now@trueknowledge.com"]) I know that:

The current time is April 18th 2014, 21:49:13

I know from locally stored knowledge that:

Fact 1:
190 kilometers
is the width of
Lake Michigan
([fact: ["701690012@trueknowledge.com"]])

Fact 1
is true for
January 13th 2009 onwards
([fact: ["701690020@trueknowledge.com"]])

By calculation (generator: ["timeperiodtopoint@trueknowledge.com"]) I know that:

Fact 1
is true at
April 18th 2014, 21:49:13

By calculation (generator: ["second_parameter@trueknowledge.com"]) I know that:

kilometer
is the second parameter of
190 kilometers

By calculation (generator: ["first_parameter@trueknowledge.com"]) I know that:

190
is the first parameter of
190 kilometers

By calculation (generator: ["product@trueknowledge.com"]) I know that:

118.060819963463
is the product of
0.621372736649807 and 190

By calculation (generator: ["class_parametered_object@trueknowledge.com"]) I know that:

length
is the class of the parametered object
190 kilometers

By calculation (generator: ["parametered_object_corresponding_to@trueknowledge.com"]) I know that:

118.060819963463 miles
is the parametered object corresponding to
length and 118.060819963463 and mile

By calculation (generator: ["equivalent_to6@trueknowledge.com"]) I know that:

Fact 2:
118.060819963463 miles
is equivalent to
190 kilometers

Fact 2
is true at
April 18th 2014, 21:49:13

Fact 2:
mile
is the unit used in
118.060819963463 miles