Two people are carrying a large bag filled with a red substance down a ally as a figure in red walks behind them .
It is certain that two people are walking down an ally and are carrying a bag filled with something red .
It is certain that two people are walking down an ally and are carrying a bag filled with something red .
Chances are slight that two people are walking down an ally and are carrying a bag filled with something red .
Two people are walking down an ally and are carrying a bag filled with something red .