(S (S (SBAR (S (PP-SBJ (BASENP (NN 船)) (IN が)) (VP (PP (BASENP (NN 強風)) (IN で)) (VP (VBV 沈ん) (VP (MD だ))))) (NN とき)) (COMMA 、) (S (PP-SBJ (BASENP (NN 風速)) (IN は)) (VP (BASENP (NN 毎時) (NN ９０) (NN キロメートル)) (VP (MDV だっ) (VP (MD た)))))) (PERIOD 。))
船 が 強風 で 沈ん だ とき 、 風速 は 毎時 ９０ キロメートル だっ た 。
There were winds up to 90 kilometers per hour when the ship sank during a gale .