| Algorithm 2—Pseudocode: |
initialisation;
size (FEATURES_ACTIVITIES [][])←[size(ACTIVITIES[]),size(ACTIVITIES[][])];
for i = 1 to size (ACTIVITIES []) do
begin
-
for j = 1 to size(ACTIVITIES[i][]) do
begin
FEATURES_ACTIVITIES[i][j] = features(ACTIVITIES[i][j]));
end;
end;
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