<human>: Does the sentence "Armies typically have air defence in depth, from integral MANPADS such as the RBS 70, Stinger and Igla at smaller force levels up to army-level missile defence systems such as Angara and Patriot." provide a valid answer to the question "Stinger and Igla are two examples of what type of system?"
OPTIONS:
- yes
- no
<bot>: yes