(S (S (SBAR (IN If) (S (BASENP (DT an) (NN outbreak)) (VP (VBD were) (S (VP (TO to) (VP (VB occur) (PP (IN at) (BASENP (NNP Randwick))))))))) (S (BASENP (PRP it)) (VP (MD could) (VP (VB affect) (NP (NP (QP (ADVP (RB up) (TO to)) (NN 700)) (BASENP (NN race) (NNS horses))) (VP (VBN stabled) (ADVP (RB there)))))))) (PERIOD .))