( ( DETERMINATION ( OF ( WHEN ( ( AMPHIBIANS ( ARE ( CONSIDERED LIVE ) ) ) ( ANIMALS ( The LACUC ) ) ) ) ) ) ( ( shall ( consider ( amphibians ( subject ( to ( ( review ( as ( live vertebrates ) ) ) ( at ( ( the time ) ( ( the species ) ( require ( an ( external ( food source ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP DETERMINATION)) (PP (IN OF) (SBAR (WHADVP (WRB WHEN)) (S (NP (NNP AMPHIBIANS) (NNP ARE) (NNP CONSIDERED) (NNP LIVE)) (VP (VBZ ANIMALS) (NP (DT The) (NN LACUC))))))) (VP (MD shall) (VP (VB consider) (S (NP (NNS amphibians)) (ADJP (JJ subject) (S (VP (TO to) (VP (VB review) (PP (IN as) (NP (JJ live) (NNS vertebrates))) (PP (IN at) (NP (NP (DT the) (NN time)) (SBAR (S (NP (DT the) (NNS species)) (VP (VBP require) (NP (DT an) (JJ external) (NN food) (NN source)))))))))))))) (. .)))
DETERMINATION OF WHEN AMPHIBIANS ARE CONSIDERED LIVE ANIMALS The LACUC shall consider amphibians subject to review as live vertebrates at the time the species require an external food source.
(ROOT (S (SBAR (IN Because) (S (NP (DT all) (NNS animals)) (VP (VBP require) (NP (NP (DT an) (JJ external) (NN source)) (PP (IN of) (NP (NN food))))))) (, ,) (NP (PRP they)) (VP (VBP are) (VP (VBN called) (S (ADJP (JJ heterotrophic))))) (. .)))