( ( For ( ( power and ) heating ) ) ( , ( ( use ( ( ( ( ( ( ( ( ( ( ( woodstoves , ) fireplaces ) , ) ( kerosene heaters ) ) , ) ( outdoor ( charcoal ( or ( propane grills ) ) ) ) ) , ) ( propane refrigerators ) ) , ) and ) ( best ( of ( all ( solar energy ) ) ) ) ) ) . ) ) )
(ROOT (S (PP (IN For) (NP (NN power) (CC and) (NN heating))) (, ,) (VP (VB use) (NP (NP (NNS woodstoves)) (, ,) (NP (NNS fireplaces)) (, ,) (NP (JJ kerosene) (NNS heaters)) (, ,) (NP (JJ outdoor) (NN charcoal) (CC or) (NN propane) (NNS grills)) (, ,) (NP (NN propane) (NNS refrigerators)) (, ,) (CC and) (NP (NP (JJS best)) (PP (IN of) (NP (DT all) (JJ solar) (NN energy)))))) (. .)))
For power and heating, use woodstoves, fireplaces, kerosene heaters, outdoor charcoal or propane grills, propane refrigerators, and best of all solar energy.
(ROOT (S (PP (RB Instead) (IN of) (NP (NN wood))) (, ,) (NP (DT some) (NNS fireplaces)) (VP (VBP use) (NP (NN propane))) (. .)))