new test sentences

@linas @ruiting Please review the newly added test sentences. 
>
> > +		rc &= test_sentence ("The coffee tastes the same as it did last year.",
> > +			"than(coffee, it)\n");
>
> here it connects through a "MVs" connector, which is not a one used for
> comparatives.
>
I can't look right now, but that might be some LG bug?  All these sentences
should be similar in LG ...


> So do we need "than()" relationship here?
>
No,  unless ruiting thinks its somehow important ...