(S (S (NP (BASENP (NNP Allister) (NNP Hogg)) (CC and) (BASENP (NNP Rory) (NNP Lamont))) (VP (VP (VP (VP (VBD added) (BASENP (DT a) (NN try))) (BASENP (DT each))) (PP (IN during) (BASENP (DT the) (JJ first) (NN half)))) (S (VP (TO to) (VP (VP (VP (VB extend) (NP (BASENP (NNP Scotland) (POS 's)) (NN lead))) (PP (TO to) (BASENP (NN 21-0)))) (PP (IN at) (BASENP (DT the) (NN interval)))))))) (PERIOD .))