Given the pipeline fluid flows indicated below, determine the maximum flow from Node 1 to Node 5. 
Definitions:
Solving Crossword Puzzle
The activity of filling in the blank spaces of a puzzle with words that correspond to given clues or definitions.
Raking Leaves
A yard maintenance activity involving the gathering and removal of fallen leaves.
Washing Dishes
The act of cleaning cookware, dinnerware, and utensils manually or by using a dishwasher.
Social Facilitation
The tendency for people to perform differently when in the presence of others compared to when alone, usually performing better on simple or well-rehearsed tasks.
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