<s>
In_II the_AT past_JJ five_MC years_NNT2 ,_, there_EX have_VH0 been_VBN subtle_JJ changes_NN2 in_II people_NN 's_GE diets_NN2 ._. 
</s>
<s>
The_AT amount_NN1 of_IO grain_NN1 in_II their_APPGE diets_NN2 has_VHZ decreased_VVN by_II 4%_NNU and_CC the_AT amount_NN1 of_IO fruits_NN2 and_CC vegetables_NN2 has_VHZ decreased_VVN by_II 3%_NNU ._. 
</s>
<s>
However_RR ,_, the_AT amount_NN1 of_IO milk_NN1 has_VHZ increased_VVN 3%_NNU and_CC the_AT amount_NN1 of_IO meat_NN1 has_VHZ increased_VVN 4%_NNU ._. 
</s>
<s>
These_DD2 statistics_NN can_VM be_VBI explained_VVN in_II many_DA2 ways_NN2 ._. 
</s>
<s>
For_REX21 example_REX22 ,_, recent_JJ studies_NN2 on_II the_AT importance_NN1 of_IO meat_NN1 and_CC milk_NN1 in_II a_AT1 healthy_JJ diet_NN1 could_VM influence_VVI the_AT increase_NN1 in_II these_DD2 foods_NN2 ._. 
</s>
<s>
Meat_NN1 ,_, as_CSA a_AT1 valuable_JJ source_NN1 of_IO protein_NN1 ,_, has_VHZ been_VBN reported_VVN to_TO be_VBI healthier_JJR than_CSN previous_JJ studies_NN2 concluded_VVD ,_, and_CC milk_NN1 and_CC other_JJ daily_JJ products_NN2 can_VM prevent_VVI osteoporosis_NN1 later_RRR in_II life_NN1 ._. 
</s>
<s>
Another_DD1 possibility_NN1 is_VBZ an_AT1 increase_NN1 in_II income_NN1 ._. 
</s>
<s>
Meat_NN1 and_CC milk_NN1 are_VBR often_RR more_RGR expensive_JJ than_CSN grains_NN2 ,_, fruits_NN2 ,_, and_CC vegetables_NN2 ._. 
</s>
<s>
People_NN may_VM have_VHI recently_RR been_VBN able_JK to_TO afford_VVI more_DAR of_IO these_DD2 expensive_JJ foods_NN2 ._. 
</s>
<s>
I_PPIS1 believe_VV0 that_CST the_AT changes_NN2 in_II people_NN 's_GE diets_NN2 over_II the_AT past_JJ five_MC years_NNT2 are_VBR not_XX the_AT result_NN1 of_IO one_MC1 occurrence_NN1 ._. 
</s>
<s>
Many_DA2 circumstances_NN2 have_VH0 caused_VVN the_AT increases_NN2 in_II meat_NN1 and_CC milk_NN1 consumption_NN1 and_CC the_AT decreases_NN2 in_II the_AT consumption_NN1 of_IO grains_NN2 ,_, meats_NN2 ,_, and_CC vegetables_NN2 ._. 
</s>
<s>
I_PPIS1 believe_VV0 the_AT above-stated_JJ possibilities_NN2 are_VBR two_MC of_IO many_DA2 causes_NN2 of_IO these_DD2 diet_NN1 changes_NN2 ._. 
</s>
