Again, none

Incorrect

Damn

Air

4. the tube that leads to 2 just goes in the empty box, leading to nothing, meanwhile 1 is like 4 but it has to wait longer, 3's tube is at the middle, and assuming the juice lands at the bottom of the box, since 4's tube is at the bottom of the box, yeah, 4 wins.

4 is blocked

None, there is not enough juice in the orange to make it to 4

Assume there's infinite juice in the orange

then 4

4 is blocked
3 is blocked
1 is blocked

My eyesight is garbage

2 is the only one being fed

5