Identify the test pattern which detects $Z(S-a-1)$ by using Parallel fault simulation. Event $1$ :$-101,$ Event $2$:$-111,$ Event $3$:$-110$

Identify the test pattern which detects $x(S-a-1)$ by using Concurrent fault simulation. Event $1$:$-011,$ Event $2$:$-001$