(S (S (BASENP (NNP Sagebiel)) (VP (ADVP (RB also)) (VP (VBD noted) (NP (NP (BASENP (NNP Uka) (POS 's)) (NN refusal)) (SBAR (S (VP (TO to) (VP (VB explain) (SBAR (WHADVP (WRB how)) (S (BASENP (PRP he)) (VP (VBD acquired) (BASENP (DT the) (NN gun))))))))))))) (PERIOD .))