( Autotrophs ( ( are ( considered ( producers ( in ( a ( food chain ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Autotrophs)) (VP (VBP are) (VP (VBN considered) (NP (NP (NNS producers)) (PP (IN in) (NP (DT a) (NN food) (NN chain)))))) (. .)))
Autotrophs are considered producers in a food chain.
(ROOT (S (NP (NNS Autotrophs)) (VP (VBZ is) (NP (NP (DT another) (NN name)) (PP (IN for) (NP (NNS producers))))) (. .)))