The automobile industry, led by General Motors and Ford, offered price discounts from June-August that temporarily boosted sales, but these discounts may have masked underlying weakness.
This excerpt contains more than one sentence.
This excerpt is just one long run on sentence. I'm not sure how the system missed this one.
( z1 contain :ARG0 ( z2 excerpt :mod ( z3 this ) ) :ARG1 ( z4 sentence :quant ( z5 more-than :op 1 ) ) )